diff --git a/.changeset/swift-rules-hunt.md b/.changeset/swift-rules-hunt.md
new file mode 100644
index 0000000000..15707bbf90
--- /dev/null
+++ b/.changeset/swift-rules-hunt.md
@@ -0,0 +1,5 @@
+---
+'@backstage/techdocs-common': patch
+---
+
+adds passing projectID to the Storage client
diff --git a/packages/techdocs-common/src/stages/publish/googleStorage.ts b/packages/techdocs-common/src/stages/publish/googleStorage.ts
index ba70c36e27..c3d9d3330b 100644
--- a/packages/techdocs-common/src/stages/publish/googleStorage.ts
+++ b/packages/techdocs-common/src/stages/publish/googleStorage.ts
@@ -83,7 +83,7 @@ export class GoogleGCSPublish implements PublisherBase {
     const credentials = config.getOptionalString(
       'techdocs.publisher.googleGcs.credentials',
     );
-    let credentialsJson = {};
+    let credentialsJson: any = {};
     if (credentials) {
       try {
         credentialsJson = JSON.parse(credentials);
@@ -96,6 +96,7 @@ export class GoogleGCSPublish implements PublisherBase {
 
     const storageClient = new Storage({
       ...(credentials && {
+        projectId: credentialsJson.project_id,
         credentials: credentialsJson,
       }),
     });