diff --git a/lively.source-transform/package.json b/lively.source-transform/package.json
index 6a14afae76..e2fac0a11c 100644
--- a/lively.source-transform/package.json
+++ b/lively.source-transform/package.json
@@ -28,7 +28,7 @@
     "lively.classes": "https://github.com/LivelyKernel/lively.classes",
     "@babel/plugin-syntax-import-meta": "7.10.4",
     "@babel/plugin-proposal-dynamic-import": "7.18.6",
-    "@babel/plugin-transform-modules-systemjs": "7.25.9",
+    "@babel/plugin-transform-modules-systemjs": "7.29.4",
     "@babel/types": "7.26.0",
     "@babel/core": "7.26.10"
   },