diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8aefad00..b0a0ff2a 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@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       - name: 'Cache local Maven repository'
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
         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@be666c2fcd27ec809703dec50e508c2fdc7f6654
+        uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520
         with:
           java-version: ${{ matrix.java }}
           distribution: 'temurin'
@@ -58,16 +58,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       - name: 'Cache local Maven repository'
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
         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@be666c2fcd27ec809703dec50e508c2fdc7f6654
+        uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520
         with:
           java-version: 8
           distribution: 'temurin'
@@ -89,16 +89,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       - name: 'Cache local Maven repository'
-        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9
         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@be666c2fcd27ec809703dec50e508c2fdc7f6654
+        uses: actions/setup-java@1bcf9fb12cf4aa7d266a90ae39939e61372fe520
         with:
           java-version: 11
           distribution: 'temurin'