diff --git a/.github/workflows/requirement-checker.yaml b/.github/workflows/requirement-checker.yaml
index 4c6bd93ac..4d5d5cb91 100644
--- a/.github/workflows/requirement-checker.yaml
+++ b/.github/workflows/requirement-checker.yaml
@@ -44,7 +44,7 @@ jobs:
                     working-directory: requirement-checker
 
             -   name: Ensure that the make target is up to date
-                run: cd requirement-checker; make vendor_install
+                run: cd requirement-checker; make _vendor_install
 
             -   name: Lint CS
                 run: cd requirement-checker; make cs_lint
@@ -69,7 +69,7 @@ jobs:
                     working-directory: requirement-checker
 
             -   name: Ensure that the make target is up to date
-                run: cd requirement-checker; make vendor_install
+                run: cd requirement-checker; make _vendor_install
 
             -   name: Run tests
                 run: cd requirement-checker; make phpunit_autoreview
@@ -119,7 +119,7 @@ jobs:
                     composer-options: ${{ matrix.composer-options }}
 
             -   name: Ensure that the make target is up to date
-                run: cd requirement-checker; make vendor_install
+                run: cd requirement-checker; make _vendor_install
 
             -   name: Install the Composer (root) dependencies
                 uses: ramsey/composer-install@v2
@@ -295,7 +295,7 @@ jobs:
                     composer-options: ${{ matrix.php.composer-options }}
 
             -   name: Ensure that the make target is up to date
-                run: cd requirement-checker; make vendor_install
+                run: cd requirement-checker; make _vendor_install
 
             -   name: Install the Composer (root) dependencies
                 uses: ramsey/composer-install@v2
diff --git a/requirement-checker/Makefile b/requirement-checker/Makefile
index ae315cce1..d61eef632 100644
--- a/requirement-checker/Makefile
+++ b/requirement-checker/Makefile
@@ -182,6 +182,10 @@ test_e2e: docker_images _test_e2e_pass_no_config_min_composer_php _test_e2e_pass
 .PHONY: vendor_install
 vendor_install:
 	composer install --ansi
+	$(MAKE) _vendor_install
+
+.PHONY: _vendor_install
+_vendor_install:
 	touch -c vendor
 	touch -c $(PHPUNIT_BIN)