diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index df46cda8..99487518 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -121,7 +121,7 @@ jobs:
         uses: actions/cache@v4
         id: cache-libs
         with:
-          key: libs-${{ env.BORINGSSL_VERSION }}-${{ env.LIBRESSL_VERSION }}-${{ env.IPPCP_VERSION }}-${{ env.WOLFCRYPT_VERSION }}-${{ env.WOLFSSL_VERSION }}
+          key: libs-${{ env.BORINGSSL_VERSION }}-${{ env.LIBRESSL_VERSION }}-${{ env.IPPCP_VERSION }}-${{ env.WOLFCRYPT_VERSION }}-${{ env.WOLFSSL_VERSION }}-${{ matrix.java }}
           path: |
             ext/boringssl/build/crypto/libcrypto.so
             ext/libressl/build/crypto/libcrypto.so
@@ -182,4 +182,4 @@ jobs:
         uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          slug: crocs-muni/ECTester
\ No newline at end of file
+          slug: crocs-muni/ECTester