diff --git a/package.json b/package.json
index 01ca3c2..c4fb183 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,6 @@
     "filelist-utils": "^1.2.0",
     "jszip": "^3.10.1",
     "openchemlib": "^8.0.1",
-    "openchemlib-utils": "^4.2.1"
+    "openchemlib-utils": "^5.2.0"
   }
 }