diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c8a1426..04159c2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,6 +23,20 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: 3.9
+      # GO_VERSION and GOCACHE are used by the cache task, so the go
+      # installation must happen before that.
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '1.16'
+      - name: Store installed Go version
+        run: |
+          echo "GO_VERSION="\
+          "$(go version | sed 's/^go version go\([0-9.]\+\) .*/\1/')" \
+          >> $GITHUB_ENV
+      - name: Lookup go cache directory
+        id: go-cache
+        run: |
+          echo "::set-output name=dir::$(go env GOCACHE)"
       - uses: actions/cache@v2
         env:
           BASE_CACHE_KEY: "${{ github.job }}-${{ runner.os }}-\
@@ -48,18 +62,6 @@ jobs:
             ${{ hashFiles('**/.pre-commit-config.yaml') }}"
           restore-keys: |
             ${{ env.BASE_CACHE_KEY }}
-      - uses: actions/setup-go@v2
-        with:
-          go-version: '1.16'
-      - name: Store installed Go version
-        run: |
-          echo "GO_VERSION="\
-          "$(go version | sed 's/^go version go\([0-9.]\+\) .*/\1/')" \
-          >> $GITHUB_ENV
-      - name: Lookup go cache directory
-        id: go-cache
-        run: |
-          echo "::set-output name=dir::$(go env GOCACHE)"
       - name: Setup curl cache
         run: mkdir -p ${{ env.CURL_CACHE_DIR }}
       - name: Install Packer