diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa8ad993e6..ae76c51e33 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -142,7 +142,7 @@ jobs:
   check-semver-hazards:
     name: Check for semver hazards
     runs-on: smithy_ubuntu-latest_8-core
-    timeout-minutes: 20
+    timeout-minutes: 30
     steps:
     - uses: actions/checkout@v4
       with:
diff --git a/aws/sdk/Cargo.lock b/aws/sdk/Cargo.lock
index 1923566a99..ac1ad47808 100644
--- a/aws/sdk/Cargo.lock
+++ b/aws/sdk/Cargo.lock
@@ -9344,6 +9344,15 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "aws-smithy-cbor"
+version = "0.60.7"
+dependencies = [
+ "aws-smithy-types 1.2.2",
+ "criterion",
+ "minicbor",
+]
+
 [[package]]
 name = "aws-smithy-checksums"
 version = "0.60.10"
@@ -11099,6 +11108,27 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "minicbor"
+version = "0.24.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f8e213c36148d828083ae01948eed271d03f95f7e72571fa242d78184029af2"
+dependencies = [
+ "half 2.4.1",
+ "minicbor-derive",
+]
+
+[[package]]
+name = "minicbor-derive"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6bdc119b1a405df86a8cde673295114179dbd0ebe18877c26ba89fb080365c2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.77",
+]
+
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"