diff --git a/codetable/Cargo.toml b/codetable/Cargo.toml
index f9e3053a..eb23e5c2 100644
--- a/codetable/Cargo.toml
+++ b/codetable/Cargo.toml
@@ -28,7 +28,7 @@ blake2s_simd = { version = "1.0.0", default-features = false, optional = true }
 blake3 = { version = "1.2.0", default-features = false, optional = true }
 sha1 = { version = "0.11", default-features = false, optional = true }
 sha2 = { version = "0.11", default-features = false, optional = true }
-sha3 = { version = "0.11", default-features = false, optional = true }
+sha3 = { version = "0.12", default-features = false, optional = true }
 strobe-rs = { version = "0.13", default-features = false, optional = true }
 ripemd = { version = "0.2", default-features = false, optional = true }
 multihash-derive = { version = "0.9.3", path = "../derive", default-features = false }
diff --git a/derive-impl/Cargo.toml b/derive-impl/Cargo.toml
index 2816fcee..23f49252 100644
--- a/derive-impl/Cargo.toml
+++ b/derive-impl/Cargo.toml
@@ -15,5 +15,5 @@ proc-macro = true
 proc-macro2 = { version = "1.0.24", features = ["span-locations"] }
 proc-macro-crate = "3.1.0"
 quote = "1.0.7"
-syn = "2.0.66"
-synstructure = "0.13.1"
+syn = "3.0.3"
+synstructure = "0.14.0"