diff --git a/.changeset/bright-taxis-stare.md b/.changeset/bright-taxis-stare.md
new file mode 100644
index 0000000000..e43c9b038b
--- /dev/null
+++ b/.changeset/bright-taxis-stare.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs-backend': patch
+---
+
+Make techdocs s3 publisher credentials config schema optional.
diff --git a/plugins/techdocs-backend/config.d.ts b/plugins/techdocs-backend/config.d.ts
index ac31474fa9..0023a4b757 100644
--- a/plugins/techdocs-backend/config.d.ts
+++ b/plugins/techdocs-backend/config.d.ts
@@ -83,12 +83,12 @@ export interface Config {
                * User access key id
                * @visibility secret
                */
-              accessKeyId: string;
+              accessKeyId?: string;
               /**
                * User secret access key
                * @visibility secret
                */
-              secretAccessKey: string;
+              secretAccessKey?: string;
               /**
                * ARN of role to be assumed
                * @visibility backend