diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 8d3adc9..414e2fb 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -88,7 +88,7 @@ jobs:
 
         - uses: actions/setup-python@v5
           with:
-            python-version: '3.13'
+            python-version: '3.11'
             cache: 'pip' # caching pip dependencies
 
         - name: Install Homebrew dependencies
@@ -148,7 +148,7 @@ jobs:
 
         - uses: actions/setup-python@v5
           with:
-            python-version: '3.13'
+            python-version: '3.11'
             cache: 'pip' # caching pip dependencies
 
         - name: Install Homebrew dependencies