diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0442eab..36d6666 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,9 +20,10 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: "1.22"
+          cache: false
 
-      - name: Download dependencies
-        run: go mod download
+      - name: Tidy dependencies (generates/updates go.sum)
+        run: go mod tidy
 
       - name: Vet
         run: go vet ./...
@@ -44,9 +45,10 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: "1.22"
+          cache: false
 
-      - name: Download dependencies
-        run: go mod download
+      - name: Tidy dependencies (generates/updates go.sum)
+        run: go mod tidy
 
       - name: Build
         env: