diff --git a/.github/workflows/apidiff.yaml b/.github/workflows/apidiff.yaml
index 4bb5e06..cb063a9 100644
--- a/.github/workflows/apidiff.yaml
+++ b/.github/workflows/apidiff.yaml
@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v4
         with:
-          go-version: 1.21
+          go-version: 1.20.x
       - run: go install golang.org/x/exp/cmd/apidiff@latest
       - uses: actions/checkout@v3
         with: