diff --git a/src/openlayers/package.json b/src/openlayers/package.json
index 75bb713a4..7196d6b31 100644
--- a/src/openlayers/package.json
+++ b/src/openlayers/package.json
@@ -25,6 +25,6 @@
     "lodash.remove": "^4.7.0",
     "lodash.difference": "^4.5.0",
     "flatgeobuf": "3.31.1",
-    "proj4": "2.17.0"
+    "proj4": "2.20.2"
   }
 }