diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 07fee5df..e3d93f5f 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -32,7 +32,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@3.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index c1d62a54..4fe88d88 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -32,7 +32,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@3.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
diff --git a/.github/workflows/composer-json-lint.yml b/.github/workflows/composer-json-lint.yml
index 8dfb4af0..b0077f7f 100644
--- a/.github/workflows/composer-json-lint.yml
+++ b/.github/workflows/composer-json-lint.yml
@@ -32,7 +32,7 @@ jobs:
           tools: composer:v2, composer-normalize, composer-require-checker, composer-unused
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@3.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
diff --git a/.github/workflows/mutation-tests.yml b/.github/workflows/mutation-tests.yml
index 611229df..0eb50988 100644
--- a/.github/workflows/mutation-tests.yml
+++ b/.github/workflows/mutation-tests.yml
@@ -32,7 +32,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@3.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 91750f50..7ffa005d 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -36,7 +36,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@3.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
 
@@ -70,7 +70,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@3.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"
           composer-options: " --ignore-platform-req=php"
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 5280be0c..4c6f26a5 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -32,7 +32,7 @@ jobs:
           tools: composer:v2, cs2pr
 
       - name: "Install dependencies"
-        uses: "ramsey/composer-install@v3"
+        uses: "ramsey/composer-install@3.0.0"
         with:
           dependency-versions: "${{ matrix.dependencies }}"