diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 11cceec5..f52efb8c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,16 +31,16 @@ jobs:
         with:
           access_token: ${{ github.token }}
       - name: 'Check out repository'
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: 'Cache local Maven repository'
-        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8
+        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: 'Set up JDK ${{ matrix.java }}'
-        uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
+        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           java-version: ${{ matrix.java }}
           distribution: 'zulu'
@@ -58,16 +58,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: 'Cache local Maven repository'
-        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8
+        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: 'Set up JDK 8'
-        uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
+        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           java-version: 8
           distribution: 'zulu'
@@ -87,16 +87,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - name: 'Cache local Maven repository'
-        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8
+        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: 'Set up JDK 11'
-        uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73
+        uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           java-version: 11
           distribution: 'zulu'