diff --git a/Cargo.lock b/Cargo.lock
index 1e9e774f6c..0ea1bdb011 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -698,7 +698,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -709,7 +709,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3119,7 +3119,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3284,6 +3284,7 @@ dependencies = [
 [[package]]
 name = "ethereum_ssz"
 version = "0.10.0"
+source = "git+https://github.com/sigp/ethereum_ssz?branch=progressive#952eb175cf463ec92d3abaf232e42fb72af7314e"
 dependencies = [
  "alloy-primitives",
  "arbitrary",
@@ -3299,6 +3300,7 @@ dependencies = [
 [[package]]
 name = "ethereum_ssz_derive"
 version = "0.10.0"
+source = "git+https://github.com/sigp/ethereum_ssz?branch=progressive#952eb175cf463ec92d3abaf232e42fb72af7314e"
 dependencies = [
  "darling 0.20.11",
  "proc-macro2",
@@ -4756,7 +4758,7 @@ checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
 dependencies = [
  "hermit-abi 0.5.2",
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -5857,6 +5859,7 @@ dependencies = [
 [[package]]
 name = "milhouse"
 version = "0.9.0"
+source = "git+https://github.com/sigp/milhouse?branch=progressive-list#556e7bb1f18af5c0ffeccc4ecaa9cd52ebb9003c"
 dependencies = [
  "alloy-primitives",
  "arbitrary",
@@ -6340,7 +6343,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -7782,7 +7785,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys 0.11.0",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -8869,7 +8872,7 @@ dependencies = [
  "getrandom 0.3.4",
  "once_cell",
  "rustix 1.1.2",
- "windows-sys 0.59.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -9442,6 +9445,7 @@ dependencies = [
 [[package]]
 name = "tree_hash"
 version = "0.12.0"
+source = "git+https://github.com/sigp/tree_hash?branch=progressive#7400510546840a3985474380d934d33f9ba0d417"
 dependencies = [
  "alloy-primitives",
  "ethereum_hashing",
@@ -9453,6 +9457,7 @@ dependencies = [
 [[package]]
 name = "tree_hash_derive"
 version = "0.12.0"
+source = "git+https://github.com/sigp/tree_hash?branch=progressive#7400510546840a3985474380d934d33f9ba0d417"
 dependencies = [
  "darling 0.21.3",
  "proc-macro2",
@@ -10201,7 +10206,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.48.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 37d07d467f..2b988524cd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -286,8 +286,8 @@ debug = true
 [patch.crates-io]
 quick-protobuf = { git = "https://github.com/sigp/quick-protobuf.git", rev = "681f413312404ab6e51f0b46f39b0075c6f4ebfd" }
 # FIXME(sproul): REMOVE patch
-milhouse = { path = "../milhouse" }
-ethereum_ssz = { path = "../packages/ethereum_ssz/ssz" }
-ethereum_ssz_derive = { path = "../packages/ethereum_ssz/ssz_derive" }
-tree_hash = { path = "../packages/tree_hash/tree_hash" }
-tree_hash_derive = { path = "../packages/tree_hash/tree_hash_derive" }
+milhouse = { git = "https://github.com/sigp/milhouse", branch = "progressive-list" }
+ethereum_ssz = { git = "https://github.com/sigp/ethereum_ssz", branch = "progressive" }
+ethereum_ssz_derive = { git = "https://github.com/sigp/ethereum_ssz", branch = "progressive" }
+tree_hash = { git = "https://github.com/sigp/tree_hash", branch = "progressive" }
+tree_hash_derive = { git = "https://github.com/sigp/tree_hash", branch = "progressive" }