diff --git a/packages/api/tsconfig.dist.json b/packages/api/tsconfig.dist.json
index d21ae2910b..34f89f078d 100644
--- a/packages/api/tsconfig.dist.json
+++ b/packages/api/tsconfig.dist.json
@@ -15,5 +15,5 @@
     }
   },
   "include": ["."],
-  "exclude": ["**/node_modules/*", "dist", "@types"]
+  "exclude": ["**/node_modules/*", "dist", "@types", "*.test.ts"]
 }
diff --git a/upcoming-release-notes/4640.md b/upcoming-release-notes/4640.md
new file mode 100644
index 0000000000..b8cb374885
--- /dev/null
+++ b/upcoming-release-notes/4640.md
@@ -0,0 +1,6 @@
+---
+category: Maintenance
+authors: [MatissJanis]
+---
+
+API: do not bundle test files in the package output.