.github/workflows/rspec.yml in fontist-1.8.5 vs .github/workflows/rspec.yml in fontist-1.8.6

@@ -35,11 +35,11 @@
           ruby-version: ${{ matrix.ruby }}
 
       - uses: actions/cache@v1
         with:
           path: vendor/bundle
-          key: bundle-${{ matrix.os }}-${{ matrix.ruby }}-${{ hashFiles('**/*.gemspec') }}
-          restore-keys: bundle-${{ matrix.os }}-${{ matrix.ruby }}
+          key: bundle-v2-${{ matrix.os }}-${{ matrix.ruby }}-${{ hashFiles('**/*.gemspec') }}
+          restore-keys: bundle-v2-${{ matrix.os }}-${{ matrix.ruby }}
 
       - if: matrix.os == 'macos-latest'
         run: brew install lcdf-typetools
 
       - run: bundle config set path 'vendor/bundle'
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