diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d2fa6fbd..7a844b1af 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
       - 'docs'
 
 env:
-  BUILDER_VERSION: v0.9.95
+  BUILDER_VERSION: latest
   BUILDER_SOURCE: releases
   BUILDER_HOST: https://d19elf31gohf1l.cloudfront.net
   PACKAGE_NAME: aws-iot-device-sdk-cpp-v2
diff --git a/crt/aws-crt-cpp b/crt/aws-crt-cpp
index d8ee6b691..1a7a1907b 160000
--- a/crt/aws-crt-cpp
+++ b/crt/aws-crt-cpp
@@ -1 +1 @@
-Subproject commit d8ee6b6912c196e574be10f207868721117dd397
+Subproject commit 1a7a1907b6cdd5d795c03736bdd5d3926ea977e3
diff --git a/secure_tunneling/tests/CMakeLists.txt b/secure_tunneling/tests/CMakeLists.txt
index aeda57ed9..74f539f11 100644
--- a/secure_tunneling/tests/CMakeLists.txt
+++ b/secure_tunneling/tests/CMakeLists.txt
@@ -1,4 +1,6 @@
 # note: cxx-17 requires cmake 3.8, cxx-20 requires cmake 3.12
+# This test uses CMake 3.9 as its minimum supported version.
+cmake_minimum_required(VERSION 3.9...3.31)
 project(secure_tunnel_test CXX)
 
 file(GLOB SRC_FILES