diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 4c0561ea9..c82ab1a25 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -27,14 +27,14 @@ jobs:
         uses: actions/cache@v2
         with:
           path: deps
-          key: ${{ runner.os }}-mix-2-${{ hashFiles('**/mix.lock') }}
-          restore-keys: ${{ runner.os }}-mix-2
+          key: ${{ runner.os }}-mix-3-${{ hashFiles('**/mix.lock') }}
+          restore-keys: ${{ runner.os }}-mix-3
       - name: Restore _build
         uses: actions/cache@v2
         with:
           path: _build
-          key: ${{ runner.os }}-mix-2-${{ hashFiles('**/mix.lock') }}
-          restore-keys: ${{ runner.os }}-mix-2
+          key: ${{ runner.os }}-mix-3-${{ hashFiles('**/mix.lock') }}
+          restore-keys: ${{ runner.os }}-mix-3
       - run: mix deps.get
       - run: mix test
       - uses: 8398a7/action-slack@v3