diff --git a/.composer-require-checker.json b/.composer-require-checker.json
new file mode 100644
index 0000000..619908a
--- /dev/null
+++ b/.composer-require-checker.json
@@ -0,0 +1,3 @@
+{
+    "symbol-whitelist": ["Webfactory\\HttpCacheBundle\\NotModified\\LastModifiedDeterminator"]
+}
diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml
index ee08012..df01ac4 100644
--- a/.github/workflows/dependencies.yml
+++ b/.github/workflows/dependencies.yml
@@ -36,3 +36,5 @@ jobs:
                     composer show
             -   name: ComposerRequireChecker
                 uses: docker://ghcr.io/webfactory/composer-require-checker:4.12.0
+                with:
+                    args: --config-file=.composer-require-checker.json