diff --git a/.github/workflows/basic-qa.yml b/.github/workflows/basic-qa.yml
index 99db933cd..8c3975499 100644
--- a/.github/workflows/basic-qa.yml
+++ b/.github/workflows/basic-qa.yml
@@ -137,6 +137,10 @@ jobs:
           phpcsstandards/phpcsutils:"${{ env.UTILS_DEV }}"
           phpcsstandards/phpcsextra:"${{ env.EXTRA_DEV }}"
 
+      - name: Enable creation of `composer.lock` file
+        if: ${{ matrix.dependencies == 'lowest' }}
+        run: composer config --unset lock
+
       - name: Install Composer dependencies
         uses: ramsey/composer-install@v3
         with:
diff --git a/.github/workflows/quicktest.yml b/.github/workflows/quicktest.yml
index fa2a6367e..f45205ad2 100644
--- a/.github/workflows/quicktest.yml
+++ b/.github/workflows/quicktest.yml
@@ -41,6 +41,10 @@ jobs:
           ini-values: error_reporting=-1, display_errors=On
           coverage:  ${{ github.ref_name == 'develop' && 'xdebug' || 'none' }}
 
+      - name: Enable creation of `composer.lock` file
+        if: ${{ matrix.dependencies == 'lowest' }}
+        run: composer config --unset lock
+
       - name: Install Composer dependencies
         uses: ramsey/composer-install@v3
         with:
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 4e66f8b39..44efaebb8 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -112,6 +112,10 @@ jobs:
           phpcsstandards/phpcsutils:"${{ env.UTILS_DEV }}"
           phpcsstandards/phpcsextra:"${{ env.EXTRA_DEV }}"
 
+      - name: Enable creation of `composer.lock` file
+        if: ${{ matrix.dependencies == 'lowest' }}
+        run: composer config --unset lock
+
       - name: Install Composer dependencies
         uses: ramsey/composer-install@v3
         with:
diff --git a/composer.json b/composer.json
index 5d35f95f2..fa03b8819 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,8 @@
 	"config": {
 		"allow-plugins": {
 			"dealerdirect/phpcodesniffer-composer-installer": true
-		}
+		},
+		"lock": false
 	},
 	"scripts": {
 		"lint": [