diff --git a/.github/workflows/coverage_runner.yml b/.github/workflows/coverage_runner.yml
index 091490755..ba10d9102 100644
--- a/.github/workflows/coverage_runner.yml
+++ b/.github/workflows/coverage_runner.yml
@@ -73,6 +73,7 @@ jobs:
           - name: Copy certificates JAR to destination with the appropriate name
             run: |
               cp ${{ github.workspace }}/certs/certs.jar ${{ github.workspace }}/certs.jar
+              unzip -p ${{ github.workspace }}/certs.jar com/hazelcast/nio/ssl/letsencrypt.jks > test/integration/backward_compatible/parallel/ssl/keystore.jks
 
           - name: Install dependencies and compile client
             run: |
diff --git a/.github/workflows/nightly_runner_master.yml b/.github/workflows/nightly_runner_master.yml
index cccfaea0d..8a1d05750 100644
--- a/.github/workflows/nightly_runner_master.yml
+++ b/.github/workflows/nightly_runner_master.yml
@@ -34,6 +34,7 @@ jobs:
             - name: Copy certificates JAR to destination with the appropriate name
               run: |
                 cp ${{ github.workspace }}/certs/certs.jar ${{ github.workspace }}/certs.jar
+                unzip -p ${{ github.workspace }}/certs.jar com/hazelcast/nio/ssl/letsencrypt.jks > test/integration/backward_compatible/parallel/ssl/keystore.jks
             - name: Install dependencies and compile client
               run: |
                   npm install