diff --git a/.changes/next-release/enchancement-AWSCRT-92804.json b/.changes/next-release/enchancement-AWSCRT-92804.json
new file mode 100644
index 0000000000..f67e925566
--- /dev/null
+++ b/.changes/next-release/enchancement-AWSCRT-92804.json
@@ -0,0 +1,5 @@
+{
+  "type": "enchancement",
+  "category": "AWSCRT",
+  "description": "Upgrade awscrt extra to 0.12.5"
+}
diff --git a/.github/workflows/run-crt-test.yml b/.github/workflows/run-crt-test.yml
index 2e2b03c7a1..9568612f00 100644
--- a/.github/workflows/run-crt-test.yml
+++ b/.github/workflows/run-crt-test.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
         os: [ubuntu-latest, macOS-latest]
 
     steps:
diff --git a/setup.cfg b/setup.cfg
index fc9b6398b2..a1e7f45dba 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,7 +8,7 @@ requires_dist =
     urllib3>=1.25.4,<1.27
 
 [options.extras_require]
-crt = awscrt==0.11.24
+crt = awscrt==0.12.5
 
 [flake8]
 ignore = E203,E226,E501,E731,W503,W504