diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1d13b7c..d2c5d8e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
         os:
           - ubuntu/noble
         version:
-          - 1.33.1
+          - 1.31.1
     steps:
       - uses: actions/checkout@v4