diff --git a/.changeset/violet-hats-destroy.md b/.changeset/violet-hats-destroy.md
new file mode 100644
index 0000000..736cc1a
--- /dev/null
+++ b/.changeset/violet-hats-destroy.md
@@ -0,0 +1,5 @@
+---
+"@kopflos-cms/core": patch
+---
+
+Remove TS sources from package
diff --git a/package.json b/package.json
index a54c923..ae6bbb8 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,12 @@
     "prepack": "npm run build",
     "release": "changeset publish"
   },
+  "files": [
+    "*.js",
+    "*.d.ts",
+    "lib/**/*.js",
+    "lib/**/*.d.ts"
+  ],
   "author": "Zazuko GmbH",
   "contributors": [
     {