diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 93b5b91..0864eb7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.9, 3.11]
+        python-version: [3.9, 3.11, 3.12]
 
     runs-on: ${{ matrix.os }}
 
diff --git a/requirements.txt b/requirements.txt
index 1a9cf03..9aed99a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-PyYAML==6.0
+PyYAML==6.0.2
 openapi-core==0.17.1
 Jinja2==3.1.4
\ No newline at end of file