diff --git a/Cargo.lock b/Cargo.lock
index 20630b2d..0f7c1d75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1567,7 +1567,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccc2776f0c61eca1ca32528f85548abd1a4be8fb53d1b21c013e4f18da1e7090"
 dependencies = [
  "data-encoding",
- "syn 2.0.117",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -4489,18 +4489,18 @@ dependencies = [
 
 [[package]]
 name = "libssz"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54193e6560611847aceb81ae53c75aa7031b50304bead95ec935f97af79378f2"
+checksum = "d498c0482bba87d2647ea4601ea76cf2b498065e3958798a88f49274f3ced5e9"
 dependencies = [
  "smallvec",
 ]
 
 [[package]]
 name = "libssz-derive"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bb6393ec2e9b660bbcb0d9d74aac7b3c351c7b4440dcc24e9d344e62cf4bf10"
+checksum = "08ddfb5c969c28a4a54043e630f80c723352637bd1020f256ee3ac7a8814922b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4509,9 +4509,9 @@ dependencies = [
 
 [[package]]
 name = "libssz-merkle"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37acd26ea2fbecfd8af8121780a385284cfb6d6f4c2f77648a9798b5d95a87d8"
+checksum = "63c6d6d5ce5d79bba66bc98c99869eedffedf7f14f0aa0915f1a62802650bdf6"
 dependencies = [
  "libssz",
  "sha2",
@@ -4519,9 +4519,9 @@ dependencies = [
 
 [[package]]
 name = "libssz-types"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc4f9486929bd568731a599e9b4914aa44a0b4ecbd38c702151fe97210c323"
+checksum = "747273ab2d923e82ed147091fe0fb3e602dd2012c872cdad5efe69e27c3b4099"
 dependencies = [
  "libssz",
  "libssz-merkle",
diff --git a/Cargo.toml b/Cargo.toml
index 815ba64c..5cc0cb47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,10 +59,10 @@ clap = { version = "4.3", features = ["derive", "env"] }
 leansig = { git = "https://github.com/leanEthereum/leanSig" }
 
 # SSZ implementation
-libssz = "0.2"
-libssz-derive = "0.2"
-libssz-merkle = "0.2"
-libssz-types = "0.2"
+libssz = "0.2.2"
+libssz-derive = "0.2.2"
+libssz-merkle = "0.2.2"
+libssz-types = "0.2.2"
 
 # Build-time version info
 vergen-git2 = { version = "9", features = ["rustc"] }