diff --git a/Cargo.lock b/Cargo.lock
index 5da3ad0dd6..8ac385f518 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1116,7 +1116,10 @@ dependencies = [
  "env_logger",
  "eth2_config",
  "eth2_testnet_config",
+ "exit-future",
  "futures 0.3.5",
+ "lazy_static",
+ "lighthouse_metrics",
  "logging",
  "parking_lot 0.10.2",
  "slog",
diff --git a/account_manager/Cargo.toml b/account_manager/Cargo.toml
index eadb2ad6b2..e5f6d65cd6 100644
--- a/account_manager/Cargo.toml
+++ b/account_manager/Cargo.toml
@@ -31,5 +31,5 @@ eth2_wallet = { path = "../crypto/eth2_wallet" }
 eth2_wallet_manager = { path = "../common/eth2_wallet_manager" }
 rand = "0.7.2"
 validator_dir = { path = "../common/validator_dir", features = ["unencrypted_keys"] }
-tokio = {version = "0.2.20", features = ["full"]}
+tokio = { version = "0.2.21", features = ["full"] }
 eth2_keystore = { path = "../crypto/eth2_keystore" }
diff --git a/beacon_node/Cargo.toml b/beacon_node/Cargo.toml
index 6ffa70df86..b58b1ce51e 100644
--- a/beacon_node/Cargo.toml
+++ b/beacon_node/Cargo.toml
@@ -27,7 +27,7 @@ slog = { version = "2.5.2", features = ["max_level_trace", "release_max_level_tr
 slog-term = "2.5.0"
 slog-async = "2.5.0"
 ctrlc = { version = "3.1.4", features = ["termination"] }
-tokio = {version = "0.2.20", features = ["time"] }
+tokio = { version = "0.2.21", features = ["time"] }
 exit-future = "0.2.0"
 env_logger = "0.7.1"
 dirs = "2.0.2"
diff --git a/beacon_node/beacon_chain/Cargo.toml b/beacon_node/beacon_chain/Cargo.toml
index 796ca4b6da..b13b2f95a3 100644
--- a/beacon_node/beacon_chain/Cargo.toml
+++ b/beacon_node/beacon_chain/Cargo.toml
@@ -33,7 +33,7 @@ eth2_ssz_derive = "0.1.0"
 state_processing = { path = "../../consensus/state_processing" }
 tree_hash = "0.1.0"
 types = { path = "../../consensus/types" }
-tokio = "0.2.20"
+tokio = "0.2.21"
 eth1 = { path = "../eth1" }
 websocket_server = { path = "../websocket_server" }
 futures = "0.3.5"
diff --git a/beacon_node/client/Cargo.toml b/beacon_node/client/Cargo.toml
index d78ec620b2..612148d433 100644
--- a/beacon_node/client/Cargo.toml
+++ b/beacon_node/client/Cargo.toml
@@ -28,7 +28,7 @@ error-chain = "0.12.2"
 serde_yaml = "0.8.11"
 slog = { version = "2.5.2", features = ["max_level_trace"] }
 slog-async = "2.5.0"
-tokio = "0.2.20"
+tokio = "0.2.21"
 dirs = "2.0.2"
 futures = "0.3.5"
 reqwest = "0.10.4"
diff --git a/beacon_node/eth1/Cargo.toml b/beacon_node/eth1/Cargo.toml
index e1b5dfbbb3..1777e7ed92 100644
--- a/beacon_node/eth1/Cargo.toml
+++ b/beacon_node/eth1/Cargo.toml
@@ -25,7 +25,7 @@ tree_hash = "0.1.0"
 eth2_hashing = "0.1.0"
 parking_lot = "0.10.2"
 slog = "2.5.2"
-tokio = { version = "0.2.20", features = ["full"] }
+tokio = { version = "0.2.21", features = ["full"] }
 state_processing = { path = "../../consensus/state_processing" }
 libflate = "1.0.0"
 lighthouse_metrics = { path = "../../common/lighthouse_metrics"}
diff --git a/beacon_node/eth2-libp2p/Cargo.toml b/beacon_node/eth2-libp2p/Cargo.toml
index dcf3271177..089a89ccb7 100644
--- a/beacon_node/eth2-libp2p/Cargo.toml
+++ b/beacon_node/eth2-libp2p/Cargo.toml
@@ -15,7 +15,7 @@ eth2_ssz = "0.1.2"
 eth2_ssz_derive = "0.1.0"
 slog = { version = "2.5.2", features = ["max_level_trace"] }
 version = { path = "../version" }
-tokio = { version = "0.2.20", features = ["time"] }
+tokio = { version = "0.2.21", features = ["time"] }
 futures = "0.3.5"
 error-chain = "0.12.2"
 dirs = "2.0.2"
@@ -44,7 +44,7 @@ features = ["websocket", "identify", "mplex", "yamux", "noise", "secio", "gossip
 
 
 [dev-dependencies]
-tokio = { version = "0.2.20", features = ["full"] }
+tokio = { version = "0.2.21", features = ["full"] }
 slog-stdlog = "4.0.0"
 slog-term = "2.5.0"
 slog-async = "2.5.0"
diff --git a/beacon_node/genesis/Cargo.toml b/beacon_node/genesis/Cargo.toml
index 8b01f7fdea..3100f060ae 100644
--- a/beacon_node/genesis/Cargo.toml
+++ b/beacon_node/genesis/Cargo.toml
@@ -18,7 +18,7 @@ merkle_proof = { path = "../../consensus/merkle_proof" }
 eth2_ssz = "0.1.2"
 eth2_hashing = "0.1.0"
 tree_hash = "0.1.0"
-tokio = { version = "0.2.20", features = ["full"] }
+tokio = { version = "0.2.21", features = ["full"] }
 parking_lot = "0.10.2"
 slog = "2.5.2"
 exit-future = "0.2.0"
diff --git a/beacon_node/network/Cargo.toml b/beacon_node/network/Cargo.toml
index 56a6b37002..8ac89de6b3 100644
--- a/beacon_node/network/Cargo.toml
+++ b/beacon_node/network/Cargo.toml
@@ -25,7 +25,7 @@ eth2_ssz = "0.1.2"
 tree_hash = "0.1.0"
 futures = "0.3.5"
 error-chain = "0.12.2"
-tokio = { version = "0.2.20", features = ["full"] }
+tokio = { version = "0.2.21", features = ["full"] }
 parking_lot = "0.10.2"
 smallvec = "1.4.0"
 # TODO: Remove rand crate for mainnet
diff --git a/beacon_node/rest_api/Cargo.toml b/beacon_node/rest_api/Cargo.toml
index e2dddb056b..d2c8a8660f 100644
--- a/beacon_node/rest_api/Cargo.toml
+++ b/beacon_node/rest_api/Cargo.toml
@@ -25,7 +25,7 @@ state_processing = { path = "../../consensus/state_processing" }
 types = { path = "../../consensus/types" }
 http = "0.2.1"
 hyper = "0.13.5"
-tokio = { version = "0.2", features = ["sync"] }
+tokio = { version = "0.2.21", features = ["sync"] }
 url = "2.1.1"
 lazy_static = "1.4.0"
 eth2_config = { path = "../../common/eth2_config" }
diff --git a/beacon_node/timer/Cargo.toml b/beacon_node/timer/Cargo.toml
index 2c183db53d..d1d37e181a 100644
--- a/beacon_node/timer/Cargo.toml
+++ b/beacon_node/timer/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 beacon_chain =  { path = "../beacon_chain" }
 types = { path = "../../consensus/types" }
 slot_clock = { path = "../../common/slot_clock" }
-tokio = { version = "0.2.20", features = ["full"] }
+tokio = { version = "0.2.21", features = ["full"] }
 slog = "2.5.2"
 parking_lot = "0.10.2"
 futures = "0.3.5"
diff --git a/beacon_node/websocket_server/Cargo.toml b/beacon_node/websocket_server/Cargo.toml
index a470a427de..808a2f7421 100644
--- a/beacon_node/websocket_server/Cargo.toml
+++ b/beacon_node/websocket_server/Cargo.toml
@@ -12,6 +12,6 @@ serde = "1.0.110"
 serde_derive = "1.0.110"
 serde_json = "1.0.52"
 slog = "2.5.2"
-tokio = { version = "0.2.20", features = ["full"] }
+tokio = { version = "0.2.21", features = ["full"] }
 types = { path = "../../consensus/types" }
 ws = "0.9.1"
diff --git a/common/hashset_delay/Cargo.toml b/common/hashset_delay/Cargo.toml
index 6470479b04..cba08662d4 100644
--- a/common/hashset_delay/Cargo.toml
+++ b/common/hashset_delay/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 futures = "0.3.5"
-tokio = { version = "0.2.20", features = ["time"] }
+tokio = { version = "0.2.21", features = ["time"] }
 
 [dev-dependencies]
-tokio = { version = "0.2.20", features = ["time", "rt-threaded", "macros"] }
+tokio = { version = "0.2.21", features = ["time", "rt-threaded", "macros"] }
diff --git a/lcli/Cargo.toml b/lcli/Cargo.toml
index 1fca695f01..7112820ddc 100644
--- a/lcli/Cargo.toml
+++ b/lcli/Cargo.toml
@@ -27,7 +27,7 @@ dirs = "2.0.2"
 genesis = { path = "../beacon_node/genesis" }
 deposit_contract = { path = "../common/deposit_contract" }
 tree_hash = "0.1.0"
-tokio = { version = "0.2.20", features = ["full"] }
+tokio = { version = "0.2.21", features = ["full"] }
 clap_utils = { path = "../common/clap_utils" }
 eth2-libp2p = { path = "../beacon_node/eth2-libp2p" }
 validator_dir = { path = "../common/validator_dir", features = ["unencrypted_keys"] }
diff --git a/lighthouse/Cargo.toml b/lighthouse/Cargo.toml
index 296162ce00..f4abcddb6d 100644
--- a/lighthouse/Cargo.toml
+++ b/lighthouse/Cargo.toml
@@ -9,7 +9,7 @@ write_ssz_files = ["beacon_node/write_ssz_files"]  # Writes debugging .ssz files
 
 [dependencies]
 beacon_node = { "path" = "../beacon_node" }
-tokio = "0.2.20"
+tokio = "0.2.21"
 slog = { version = "2.5.2", features = ["max_level_trace"] }
 sloggers = "1.0.0"
 types = { "path" = "../consensus/types" }
diff --git a/schlesi_pwd b/schlesi_pwd
new file mode 100644
index 0000000000..5bcc76bed1
--- /dev/null
+++ b/schlesi_pwd
@@ -0,0 +1 @@
+thanks123
diff --git a/testing/eth1_test_rig/Cargo.toml b/testing/eth1_test_rig/Cargo.toml
index e2f951e9b0..79a4e63bc3 100644
--- a/testing/eth1_test_rig/Cargo.toml
+++ b/testing/eth1_test_rig/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 web3 = "0.10.0"
-tokio = { version = "0.2.20", features = ["time"] }
+tokio = { version = "0.2.21", features = ["time"] }
 futures = { version = "0.3.5", features = ["compat"] }
 types = { path = "../../consensus/types"}
 serde_json = "1.0.52"
diff --git a/testing/simulator/Cargo.toml b/testing/simulator/Cargo.toml
index 6874f935b3..fd2323c010 100644
--- a/testing/simulator/Cargo.toml
+++ b/testing/simulator/Cargo.toml
@@ -12,7 +12,7 @@ types = { path = "../../consensus/types" }
 validator_client = { path = "../../validator_client" }
 parking_lot = "0.10.2"
 futures = "0.3.5"
-tokio = "0.2.20"
+tokio = "0.2.21"
 eth1_test_rig = { path = "../eth1_test_rig" }
 env_logger = "0.7.1"
 clap = "2.33.0"
diff --git a/validator_client/Cargo.toml b/validator_client/Cargo.toml
index 306dca6d87..7fc25b9cbe 100644
--- a/validator_client/Cargo.toml
+++ b/validator_client/Cargo.toml
@@ -9,7 +9,7 @@ name = "validator_client"
 path = "src/lib.rs"
 
 [dev-dependencies]
-tokio = {version = "0.2.20", features = ["time", "rt-threaded", "macros"]}
+tokio = { version = "0.2.21", features = ["time", "rt-threaded", "macros"] }
 
 [dependencies]
 eth2_ssz = "0.1.2"
@@ -27,7 +27,7 @@ serde_json = "1.0.52"
 slog = { version = "2.5.2", features = ["max_level_trace", "release_max_level_trace"] }
 slog-async = "2.5.0"
 slog-term = "2.5.0"
-tokio = {version = "0.2.20", features = ["time"]}
+tokio = { version = "0.2.21", features = ["time"] }
 error-chain = "0.12.2"
 bincode = "1.2.1"
 futures = { version = "0.3.5", features = ["compat"] }