diff --git a/Cargo.lock b/Cargo.lock
index 672f85e2bb..91473fdfea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2332,9 +2332,9 @@ dependencies = [
 
 [[package]]
 name = "ethereum_serde_utils"
-version = "1.0.0-beta.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c927663d966e972b65dba434972dc158b3b07d0d40feadf2ecc095f90dfb79f6"
+checksum = "adbe1498020586dfe908cec0becafd15ffe7c37142a35dc2ea60273c71c37530"
 dependencies = [
  "ethereum-types 0.14.1",
  "hex",
@@ -2345,8 +2345,9 @@ dependencies = [
 
 [[package]]
 name = "ethereum_ssz"
-version = "1.0.0-beta.2"
-source = "git+https://github.com/sigp/ethereum_ssz?branch=ethereum-types-0.14#ef07d9c865647ae0ed59349c1c2dd274b3e2af35"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29d6b56a74d435691764a6e8b635dab1cca4fcf15d7ec8f265c73d3b98cdd889"
 dependencies = [
  "ethereum-types 0.14.1",
  "itertools",
@@ -2355,9 +2356,9 @@ dependencies = [
 
 [[package]]
 name = "ethereum_ssz_derive"
-version = "1.0.0-beta.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b686a7fe25ffac20ffef791a802bb55d4245c64277884ea6db63e857306a30f"
+checksum = "44f51ce7a63b03c9ee2ea8e0e7078e948846dc227331e50fa2124c0fa872b1fc"
 dependencies = [
  "darling 0.13.4",
  "proc-macro2",
@@ -7243,9 +7244,9 @@ dependencies = [
 
 [[package]]
 name = "ssz_types"
-version = "1.0.0-beta.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e4d448cbd05c84d3b28339592a13bce1af5279445c2dce19598120ff9d62857"
+checksum = "babb2d535656e2f243adc91642033d476f0b411a7c6fbc338f4bc89ef50261d0"
 dependencies = [
  "arbitrary",
  "derivative",
@@ -8031,9 +8032,9 @@ dependencies = [
 
 [[package]]
 name = "tree_hash"
-version = "1.0.0-beta.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40f59e8e790d15781f9cbe1cecb2f79465b2314163c9683af3625027f9a78fdc"
+checksum = "87bb13ce6641dabdb9983d3cadd77d9320eb81102abeb15220eb98db12d58eb6"
 dependencies = [
  "ethereum-types 0.14.1",
  "ethereum_hashing",
@@ -8042,9 +8043,9 @@ dependencies = [
 
 [[package]]
 name = "tree_hash_derive"
-version = "1.0.0-beta.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb9bd290c33b0e154dc443baaa5b0c3f3291a3728703870e56aff967d533d26e"
+checksum = "1f58b240429d87246830cab32cfa3d8e01ed9c2abc3918b6345f518e855e8976"
 dependencies = [
  "darling 0.13.4",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 4ffde3b29f..0e1b8e70d7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -86,7 +86,6 @@ members = [
 [patch.crates-io]
 fixed-hash = { git = "https://github.com/paritytech/parity-common", rev="df638ab0885293d21d656dc300d39236b69ce57d" }
 warp = { git = "https://github.com/macladson/warp", rev="7e75acc368229a46a236a8c991bf251fe7fe50ef" }
-ethereum_ssz = { git = "https://github.com/sigp/ethereum_ssz", branch="ethereum-types-0.14" }
 
 [profile.maxperf]
 inherits = "release"
diff --git a/beacon_node/beacon_chain/Cargo.toml b/beacon_node/beacon_chain/Cargo.toml
index 3200d3433e..bdf8a89d44 100644
--- a/beacon_node/beacon_chain/Cargo.toml
+++ b/beacon_node/beacon_chain/Cargo.toml
@@ -31,11 +31,11 @@ slog = { version = "2.5.2", features = ["max_level_trace"] }
 sloggers = { version = "2.1.1", features = ["json"] }
 slot_clock = { path = "../../common/slot_clock" }
 ethereum_hashing = "1.0.0-beta.2"
-ethereum_ssz = "1.0.0-beta.2"
-ssz_types = "1.0.0-beta.0"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ssz_types = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 state_processing = { path = "../../consensus/state_processing" }
-tree_hash = "1.0.0-beta.0"
+tree_hash = "0.5.0"
 types = { path = "../../consensus/types" }
 tokio = "1.14.0"
 eth1 = { path = "../eth1" }
diff --git a/beacon_node/eth1/Cargo.toml b/beacon_node/eth1/Cargo.toml
index 4725aeb668..1148f063d8 100644
--- a/beacon_node/eth1/Cargo.toml
+++ b/beacon_node/eth1/Cargo.toml
@@ -20,9 +20,9 @@ serde = { version = "1.0.116", features = ["derive"] }
 hex = "0.4.2"
 types = { path = "../../consensus/types"}
 merkle_proof = { path = "../../consensus/merkle_proof"}
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
-tree_hash = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
+tree_hash = "0.5.0"
 parking_lot = "0.12.0"
 slog = "2.5.2"
 superstruct = "0.5.0"
diff --git a/beacon_node/execution_layer/Cargo.toml b/beacon_node/execution_layer/Cargo.toml
index 205e9d38b9..96266e0d63 100644
--- a/beacon_node/execution_layer/Cargo.toml
+++ b/beacon_node/execution_layer/Cargo.toml
@@ -13,7 +13,7 @@ slog = "2.5.2"
 futures = "0.3.7"
 sensitive_url = { path = "../../common/sensitive_url" }
 reqwest = { version = "0.11.0", features = ["json","stream"] }
-ethereum_serde_utils = "1.0.0-beta.0"
+ethereum_serde_utils = "0.5.0"
 serde_json = "1.0.58"
 serde = { version = "1.0.116", features = ["derive"] }
 warp = { version = "0.3.2", features = ["tls"] }
@@ -22,14 +22,14 @@ environment = { path = "../../lighthouse/environment" }
 bytes = "1.1.0"
 task_executor = { path = "../../common/task_executor" }
 hex = "0.4.2"
-ethereum_ssz = "1.0.0-beta.2"
-ssz_types = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+ssz_types = "0.5.0"
 eth2 = { path = "../../common/eth2" }
 state_processing = { path = "../../consensus/state_processing" }
 lru = "0.7.1"
 exit-future = "0.2.0"
-tree_hash = "1.0.0-beta.0"
-tree_hash_derive = "1.0.0-beta.0"
+tree_hash = "0.5.0"
+tree_hash_derive = "0.5.0"
 parking_lot = "0.12.0"
 slot_clock = { path = "../../common/slot_clock" }
 tempfile = "3.1.0"
diff --git a/beacon_node/genesis/Cargo.toml b/beacon_node/genesis/Cargo.toml
index e3a7b63946..8a7d224963 100644
--- a/beacon_node/genesis/Cargo.toml
+++ b/beacon_node/genesis/Cargo.toml
@@ -16,9 +16,9 @@ eth1 = { path = "../eth1"}
 rayon = "1.4.1"
 state_processing = { path = "../../consensus/state_processing" }
 merkle_proof = { path = "../../consensus/merkle_proof" }
-ethereum_ssz = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
 ethereum_hashing = "1.0.0-beta.2"
-tree_hash = "1.0.0-beta.0"
+tree_hash = "0.5.0"
 tokio = { version = "1.14.0", features = ["full"] }
 slog = "2.5.2"
 int_to_bytes = { path = "../../consensus/int_to_bytes" }
diff --git a/beacon_node/http_api/Cargo.toml b/beacon_node/http_api/Cargo.toml
index c4938cda61..e54b432685 100644
--- a/beacon_node/http_api/Cargo.toml
+++ b/beacon_node/http_api/Cargo.toml
@@ -24,7 +24,7 @@ lighthouse_metrics = { path = "../../common/lighthouse_metrics" }
 lazy_static = "1.4.0"
 warp_utils = { path = "../../common/warp_utils" }
 slot_clock = { path = "../../common/slot_clock" }
-ethereum_ssz = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
 bs58 = "0.4.0"
 futures = "0.3.8"
 execution_layer = {path = "../execution_layer"}
@@ -32,7 +32,7 @@ parking_lot = "0.12.0"
 safe_arith = {path = "../../consensus/safe_arith"}
 task_executor = { path = "../../common/task_executor" }
 lru = "0.7.7"
-tree_hash = "1.0.0-beta.0"
+tree_hash = "0.5.0"
 sysinfo = "0.26.5"
 system_health = { path = "../../common/system_health" }
 directory = { path = "../../common/directory" }
diff --git a/beacon_node/lighthouse_network/Cargo.toml b/beacon_node/lighthouse_network/Cargo.toml
index 7e21daefdc..36f23a5905 100644
--- a/beacon_node/lighthouse_network/Cargo.toml
+++ b/beacon_node/lighthouse_network/Cargo.toml
@@ -8,11 +8,11 @@ edition = "2021"
 discv5 = { version = "0.1.0", features = ["libp2p"] }
 unsigned-varint = { version = "0.6.0", features = ["codec"] }
 types = { path =  "../../consensus/types" }
-ssz_types = "1.0.0-beta.0"
+ssz_types = "0.5.0"
 serde = { version = "1.0.116", features = ["derive"] }
 serde_derive = "1.0.116"
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 slog = { version = "2.5.2", features = ["max_level_trace"] }
 lighthouse_version = { path = "../../common/lighthouse_version" }
 tokio = { version = "1.14.0", features = ["time", "macros"] }
diff --git a/beacon_node/network/Cargo.toml b/beacon_node/network/Cargo.toml
index efe502496a..a9e1e01ed2 100644
--- a/beacon_node/network/Cargo.toml
+++ b/beacon_node/network/Cargo.toml
@@ -21,8 +21,8 @@ types = { path = "../../consensus/types" }
 slot_clock = { path = "../../common/slot_clock" }
 slog = { version = "2.5.2", features = ["max_level_trace"] }
 hex = "0.4.2"
-ethereum_ssz = "1.0.0-beta.2"
-ssz_types = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+ssz_types = "0.5.0"
 futures = "0.3.7"
 error-chain = "0.12.4"
 tokio = { version = "1.14.0", features = ["full"] }
diff --git a/beacon_node/operation_pool/Cargo.toml b/beacon_node/operation_pool/Cargo.toml
index 2860989775..0b654f518c 100644
--- a/beacon_node/operation_pool/Cargo.toml
+++ b/beacon_node/operation_pool/Cargo.toml
@@ -12,8 +12,8 @@ lighthouse_metrics = { path = "../../common/lighthouse_metrics" }
 parking_lot = "0.12.0"
 types = { path = "../../consensus/types" }
 state_processing = { path = "../../consensus/state_processing" }
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 rayon = "1.5.0"
 serde = "1.0.116"
 serde_derive = "1.0.116"
diff --git a/beacon_node/store/Cargo.toml b/beacon_node/store/Cargo.toml
index d5e66b0525..130f6cbb89 100644
--- a/beacon_node/store/Cargo.toml
+++ b/beacon_node/store/Cargo.toml
@@ -13,8 +13,8 @@ db-key = "0.0.5"
 leveldb = { version = "0.8.6", default-features = false }
 parking_lot = "0.12.0"
 itertools = "0.10.0"
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 types = { path =  "../../consensus/types" }
 state_processing = { path = "../../consensus/state_processing" }
 slog = "2.5.2"
diff --git a/boot_node/Cargo.toml b/boot_node/Cargo.toml
index eadf7f5b13..7fa1d94b4c 100644
--- a/boot_node/Cargo.toml
+++ b/boot_node/Cargo.toml
@@ -10,7 +10,7 @@ clap = "2.33.3"
 clap_utils = { path = "../common/clap_utils" }
 lighthouse_network = { path = "../beacon_node/lighthouse_network" }
 types = { path = "../consensus/types" }
-ethereum_ssz = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
 slog = "2.5.2"
 tokio = "1.14.0"
 log = "0.4.11"
diff --git a/common/clap_utils/Cargo.toml b/common/clap_utils/Cargo.toml
index 74dfea2631..a882b7ce64 100644
--- a/common/clap_utils/Cargo.toml
+++ b/common/clap_utils/Cargo.toml
@@ -11,7 +11,7 @@ clap = "2.33.3"
 hex = "0.4.2"
 dirs = "3.0.1"
 eth2_network_config = { path = "../eth2_network_config" }
-ethereum_ssz = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
 ethereum-types = "0.14.1"
 serde = "1.0.116"
 serde_json = "1.0.59"
diff --git a/common/deposit_contract/Cargo.toml b/common/deposit_contract/Cargo.toml
index 49461bbfa2..aabc07fc52 100644
--- a/common/deposit_contract/Cargo.toml
+++ b/common/deposit_contract/Cargo.toml
@@ -14,6 +14,6 @@ hex = "0.4.2"
 
 [dependencies]
 types = { path = "../../consensus/types"}
-ethereum_ssz = "1.0.0-beta.2"
-tree_hash = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+tree_hash = "0.5.0"
 ethabi = "16.0.0"
diff --git a/common/eth2/Cargo.toml b/common/eth2/Cargo.toml
index e5ebe95539..2c5e7060b2 100644
--- a/common/eth2/Cargo.toml
+++ b/common/eth2/Cargo.toml
@@ -13,15 +13,15 @@ types = { path = "../../consensus/types" }
 reqwest = { version = "0.11.0", features = ["json","stream"] }
 lighthouse_network = { path = "../../beacon_node/lighthouse_network" }
 proto_array = { path = "../../consensus/proto_array", optional = true }
-ethereum_serde_utils = "1.0.0-beta.0"
+ethereum_serde_utils = "0.5.0"
 eth2_keystore = { path = "../../crypto/eth2_keystore" }
 libsecp256k1 = "0.7.0"
 ring = "0.16.19"
 bytes = "1.0.1"
 account_utils = { path = "../../common/account_utils" }
 sensitive_url = { path = "../../common/sensitive_url" }
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 futures-util = "0.3.8"
 futures = "0.3.8"
 store = { path = "../../beacon_node/store", optional = true }
diff --git a/common/eth2_network_config/Cargo.toml b/common/eth2_network_config/Cargo.toml
index 88427c5e89..a21df3603e 100644
--- a/common/eth2_network_config/Cargo.toml
+++ b/common/eth2_network_config/Cargo.toml
@@ -16,6 +16,6 @@ tempfile = "3.1.0"
 [dependencies]
 serde_yaml = "0.8.13"
 types = { path = "../../consensus/types"}
-ethereum_ssz = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
 eth2_config = { path = "../eth2_config"}
 enr = { version = "0.6.2", features = ["ed25519", "k256"] }
diff --git a/common/validator_dir/Cargo.toml b/common/validator_dir/Cargo.toml
index b8d701de8d..39a14e2837 100644
--- a/common/validator_dir/Cargo.toml
+++ b/common/validator_dir/Cargo.toml
@@ -16,7 +16,7 @@ filesystem = { path = "../filesystem" }
 types = { path = "../../consensus/types" }
 rand = "0.8.5"
 deposit_contract = { path = "../deposit_contract" }
-tree_hash = "1.0.0-beta.0"
+tree_hash = "0.5.0"
 hex = "0.4.2"
 derivative = "2.1.1"
 lockfile = { path = "../lockfile" }
diff --git a/consensus/cached_tree_hash/Cargo.toml b/consensus/cached_tree_hash/Cargo.toml
index 288a2e3ec6..c2856003bf 100644
--- a/consensus/cached_tree_hash/Cargo.toml
+++ b/consensus/cached_tree_hash/Cargo.toml
@@ -6,11 +6,11 @@ edition = "2021"
 
 [dependencies]
 ethereum-types = "0.14.1"
-ssz_types = "1.0.0-beta.0"
+ssz_types = "0.5.0"
 ethereum_hashing = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
-ethereum_ssz = "1.0.0-beta.2"
-tree_hash = "1.0.0-beta.0"
+ethereum_ssz_derive = "0.5.0"
+ethereum_ssz = "0.5.0"
+tree_hash = "0.5.0"
 smallvec = "1.6.1"
 
 [dev-dependencies]
diff --git a/consensus/fork_choice/Cargo.toml b/consensus/fork_choice/Cargo.toml
index b37eb269bd..3864d52d47 100644
--- a/consensus/fork_choice/Cargo.toml
+++ b/consensus/fork_choice/Cargo.toml
@@ -10,8 +10,8 @@ edition = "2021"
 types = { path = "../types" }
 state_processing = { path = "../state_processing" }
 proto_array = { path = "../proto_array" }
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 slog = { version = "2.5.2", features = ["max_level_trace", "release_max_level_trace"] }
 
 [dev-dependencies]
diff --git a/consensus/proto_array/Cargo.toml b/consensus/proto_array/Cargo.toml
index a1e3756deb..cd43c566f0 100644
--- a/consensus/proto_array/Cargo.toml
+++ b/consensus/proto_array/Cargo.toml
@@ -10,8 +10,8 @@ path = "src/bin.rs"
 
 [dependencies]
 types = { path = "../types" }
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 serde = "1.0.116"
 serde_derive = "1.0.116"
 serde_yaml = "0.8.13"
diff --git a/consensus/state_processing/Cargo.toml b/consensus/state_processing/Cargo.toml
index e6d6bd6956..c16742782c 100644
--- a/consensus/state_processing/Cargo.toml
+++ b/consensus/state_processing/Cargo.toml
@@ -13,12 +13,12 @@ tokio = { version = "1.14.0", features = ["rt-multi-thread"] }
 bls = { path = "../../crypto/bls" }
 integer-sqrt = "0.1.5"
 itertools = "0.10.0"
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
-ssz_types = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
+ssz_types = "0.5.0"
 merkle_proof = { path = "../merkle_proof" }
 safe_arith = { path = "../safe_arith" }
-tree_hash = "1.0.0-beta.0"
+tree_hash = "0.5.0"
 types = { path = "../types", default-features = false }
 rayon = "1.4.1"
 ethereum_hashing = "1.0.0-beta.2"
diff --git a/consensus/types/Cargo.toml b/consensus/types/Cargo.toml
index 0437d38289..fdfb413802 100644
--- a/consensus/types/Cargo.toml
+++ b/consensus/types/Cargo.toml
@@ -25,13 +25,13 @@ safe_arith = { path = "../safe_arith" }
 serde = {version = "1.0.116" , features = ["rc"] }
 serde_derive = "1.0.116"
 slog = "2.5.2"
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
-ssz_types = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
+ssz_types = "0.5.0"
 swap_or_not_shuffle = { path = "../swap_or_not_shuffle" }
 test_random_derive = { path = "../../common/test_random_derive" }
-tree_hash = "1.0.0-beta.0"
-tree_hash_derive = "1.0.0-beta.0"
+tree_hash = "0.5.0"
+tree_hash_derive = "0.5.0"
 rand_xorshift = "0.3.0"
 cached_tree_hash = { path = "../cached_tree_hash" }
 serde_yaml = "0.8.13"
@@ -39,7 +39,7 @@ tempfile = "3.1.0"
 derivative = "2.1.1"
 rusqlite = { version = "0.25.3", features = ["bundled"], optional = true }
 arbitrary = { version = "1.0", features = ["derive"], optional = true }
-ethereum_serde_utils = "1.0.0-beta.0"
+ethereum_serde_utils = "0.5.0"
 regex = "1.5.5"
 lazy_static = "1.4.0"
 parking_lot = "0.12.0"
diff --git a/crypto/bls/Cargo.toml b/crypto/bls/Cargo.toml
index 83639af29d..a610f257cd 100644
--- a/crypto/bls/Cargo.toml
+++ b/crypto/bls/Cargo.toml
@@ -5,13 +5,13 @@ authors = ["Paul Hauner <paul@paulhauner.com>"]
 edition = "2021"
 
 [dependencies]
-ethereum_ssz = "1.0.0-beta.2"
-tree_hash = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+tree_hash = "0.5.0"
 milagro_bls = { git = "https://github.com/sigp/milagro_bls", tag = "v1.4.2", optional = true }
 rand = "0.7.3"
 serde = "1.0.116"
 serde_derive = "1.0.116"
-ethereum_serde_utils = "1.0.0-beta.0"
+ethereum_serde_utils = "0.5.0"
 hex = "0.4.2"
 ethereum_hashing = "1.0.0-beta.2"
 ethereum-types = "0.14.1"
diff --git a/lcli/Cargo.toml b/lcli/Cargo.toml
index 8c1b34fbb2..13f14d4661 100644
--- a/lcli/Cargo.toml
+++ b/lcli/Cargo.toml
@@ -20,12 +20,12 @@ env_logger = "0.9.0"
 types = { path = "../consensus/types" }
 state_processing = { path = "../consensus/state_processing" }
 int_to_bytes = { path = "../consensus/int_to_bytes" }
-ethereum_ssz = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
 environment = { path = "../lighthouse/environment" }
 eth2_network_config = { path = "../common/eth2_network_config" }
 genesis = { path = "../beacon_node/genesis" }
 deposit_contract = { path = "../common/deposit_contract" }
-tree_hash = "1.0.0-beta.0"
+tree_hash = "0.5.0"
 clap_utils = { path = "../common/clap_utils" }
 lighthouse_network = { path = "../beacon_node/lighthouse_network" }
 validator_dir = { path = "../common/validator_dir", features = ["insecure_keys"] }
diff --git a/slasher/Cargo.toml b/slasher/Cargo.toml
index bffe6b4aba..7f2ac456b5 100644
--- a/slasher/Cargo.toml
+++ b/slasher/Cargo.toml
@@ -12,8 +12,8 @@ lmdb = ["lmdb-rkv", "lmdb-rkv-sys"]
 [dependencies]
 bincode = "1.3.1"
 byteorder = "1.3.4"
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
 flate2 = { version = "1.0.14", features = ["zlib"], default-features = false }
 lazy_static = "1.4.0"
 lighthouse_metrics = { path = "../common/lighthouse_metrics" }
@@ -26,8 +26,8 @@ serde = "1.0"
 serde_derive = "1.0"
 slog = "2.5.2"
 sloggers = { version = "2.1.1", features = ["json"] }
-tree_hash = "1.0.0-beta.0"
-tree_hash_derive = "1.0.0-beta.0"
+tree_hash = "0.5.0"
+tree_hash_derive = "0.5.0"
 types = { path = "../consensus/types" }
 strum = { version = "0.24.1", features = ["derive"] }
 
diff --git a/testing/ef_tests/Cargo.toml b/testing/ef_tests/Cargo.toml
index ecdf5a9685..11283052f0 100644
--- a/testing/ef_tests/Cargo.toml
+++ b/testing/ef_tests/Cargo.toml
@@ -22,10 +22,10 @@ serde = "1.0.116"
 serde_derive = "1.0.116"
 serde_repr = "0.1.6"
 serde_yaml = "0.8.13"
-ethereum_ssz = "1.0.0-beta.2"
-ethereum_ssz_derive = "1.0.0-beta.2"
-tree_hash = "1.0.0-beta.0"
-tree_hash_derive = "1.0.0-beta.0"
+ethereum_ssz = "0.5.0"
+ethereum_ssz_derive = "0.5.0"
+tree_hash = "0.5.0"
+tree_hash_derive = "0.5.0"
 cached_tree_hash = { path = "../../consensus/cached_tree_hash" }
 state_processing = { path = "../../consensus/state_processing" }
 swap_or_not_shuffle = { path = "../../consensus/swap_or_not_shuffle" }
diff --git a/testing/state_transition_vectors/Cargo.toml b/testing/state_transition_vectors/Cargo.toml
index 6f61bc9d96..a25b3c31c1 100644
--- a/testing/state_transition_vectors/Cargo.toml
+++ b/testing/state_transition_vectors/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 [dependencies]
 state_processing = { path = "../../consensus/state_processing" }
 types = { path = "../../consensus/types" }
-ethereum_ssz = "1.0.0-beta.2"
+ethereum_ssz = "0.5.0"
 beacon_chain = { path = "../../beacon_node/beacon_chain" }
 lazy_static = "1.4.0"
 tokio = { version = "1.14.0", features = ["rt-multi-thread"] }
diff --git a/validator_client/Cargo.toml b/validator_client/Cargo.toml
index 2a1f4a54b2..e0172afd2a 100644
--- a/validator_client/Cargo.toml
+++ b/validator_client/Cargo.toml
@@ -13,7 +13,7 @@ tokio = { version = "1.14.0", features = ["time", "rt-multi-thread", "macros"] }
 logging = { path = "../common/logging" }
 
 [dependencies]
-tree_hash = "1.0.0-beta.0"
+tree_hash = "0.5.0"
 clap = "2.33.3"
 slashing_protection = { path = "./slashing_protection" }
 slot_clock = { path = "../common/slot_clock" }
@@ -46,7 +46,7 @@ lighthouse_version = { path = "../common/lighthouse_version" }
 warp_utils = { path = "../common/warp_utils" }
 warp = "0.3.2"
 hyper = "0.14.4"
-ethereum_serde_utils = "1.0.0-beta.0"
+ethereum_serde_utils = "0.5.0"
 libsecp256k1 = "0.7.0"
 ring = "0.16.19"
 rand = { version = "0.8.5", features = ["small_rng"] }
diff --git a/validator_client/slashing_protection/Cargo.toml b/validator_client/slashing_protection/Cargo.toml
index 61b4f7578f..b1beff8279 100644
--- a/validator_client/slashing_protection/Cargo.toml
+++ b/validator_client/slashing_protection/Cargo.toml
@@ -18,7 +18,7 @@ r2d2_sqlite = "0.18.0"
 serde = "1.0.116"
 serde_derive = "1.0.116"
 serde_json = "1.0.58"
-ethereum_serde_utils = "1.0.0-beta.0"
+ethereum_serde_utils = "0.5.0"
 filesystem = { path = "../../common/filesystem" }
 arbitrary = { version = "1.0", features = ["derive"], optional = true }