diff --git a/.github/workflows/regen.yml b/.github/workflows/regen.yml
index cc378a1..3c5433e 100644
--- a/.github/workflows/regen.yml
+++ b/.github/workflows/regen.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: '1.25.x'
+          go-version-file: go.mod
           check-latest: true
 
       - name: Capture latest snapshot