diff --git a/.changeset/large-kings-protect.md b/.changeset/large-kings-protect.md
new file mode 100644
index 0000000000..363e2b7759
--- /dev/null
+++ b/.changeset/large-kings-protect.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend-module-github': patch
+---
+
+Added `validateLocationsExist` to the config definition where it was missing.
diff --git a/plugins/catalog-backend-module-github/config.d.ts b/plugins/catalog-backend-module-github/config.d.ts
index cc197f3ec7..c94593b985 100644
--- a/plugins/catalog-backend-module-github/config.d.ts
+++ b/plugins/catalog-backend-module-github/config.d.ts
@@ -71,6 +71,11 @@ export interface Config {
              * Default: `/catalog-info.yaml`.
              */
             catalogPath?: string;
+            /**
+             * (Optional) Whether to validate locations that exist before emitting them.
+             * Default: `false`.
+             */
+            validateLocationsExist?: boolean;
             /**
              * (Optional) Filter configuration.
              */