diff --git a/.github/workflows/test-branch.yml b/.github/workflows/test-branch.yml
index 00cb895b..d8d1506d 100644
--- a/.github/workflows/test-branch.yml
+++ b/.github/workflows/test-branch.yml
@@ -10,16 +10,18 @@ jobs:
         runs-on: ubuntu-latest
         steps:
         -   name: Checkout repository 🌏
-            uses: actions/checkout@v4
+            uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
         -   name: Set up enviroment 🔧
-            uses: actions/setup-java@v4
+            uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
             with:
                 java-version: '17'
                 distribution: 'temurin'
 
         -   name: Set up Gradle 📦
-            uses: gradle/actions/setup-gradle@v4
+            uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
+            with:
+                cache-read-only: true
 
         -   name: Compile parsers 🚀
             run: ./gradlew compileKotlin
diff --git a/.github/workflows/test-parsers.yml b/.github/workflows/test-parsers.yml
index 389b97e9..fd3d457a 100644
--- a/.github/workflows/test-parsers.yml
+++ b/.github/workflows/test-parsers.yml
@@ -14,16 +14,18 @@ jobs:
         runs-on: ubuntu-latest
         steps:
         -   name: Checkout repository 🌏
-            uses: actions/checkout@v4
+            uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
         -   name: Set up enviroment 🔧
-            uses: actions/setup-java@v4
+            uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
             with:
                     java-version: '17'
                     distribution: 'temurin'
 
         -   name: Set up Gradle 📦
-            uses: gradle/actions/setup-gradle@v4
+            uses: gradle/actions/setup-gradle@017a9effdb900e5b5b2fddfb590a105619dca3c3 # v4.4.2
+            with:
+                cache-read-only: true
 
         -   name: Compile parsers 🚀
             run: ./gradlew compileKotlin