diff --git a/.github/workflows/ci-backend.yml b/.github/workflows/ci-backend.yml
index aa92b7c5..4b2a295c 100644
--- a/.github/workflows/ci-backend.yml
+++ b/.github/workflows/ci-backend.yml
@@ -42,7 +42,7 @@ jobs:
       - name: install go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25"
+          go-version: "1.25.12"
           cache-dependency-path: backend
 
       - name: test and build backend
@@ -97,7 +97,7 @@ jobs:
       - name: install go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25"
+          go-version: "1.25.12"
           # both go.sum files so the cache key covers the main and example modules scanned below
           cache-dependency-path: |
             backend/go.sum
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d185fdc4..8dcab20c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
       - name: install go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25"
+          go-version: "1.25.12"
           cache-dependency-path: backend/go.sum
 
       - name: install pnpm
@@ -107,7 +107,7 @@ jobs:
       - name: install go
         uses: actions/setup-go@v6
         with:
-          go-version: "1.25"
+          go-version: "1.25.12"
           cache-dependency-path: backend/go.sum
 
       - name: install pnpm