diff --git a/extension.json b/extension.json
index 0ba1cdd..7fc7b49 100644
--- a/extension.json
+++ b/extension.json
@@ -9,7 +9,7 @@
 	"license-name": "MIT",
 	"type": "editor",
 	"requires": {
-		"MediaWiki": ">= 1.35.0"
+		"MediaWiki": ">= 1.39.3"
 	},
 	"MessagesDirs": {
 		"LPCodeMirror": [
@@ -68,4 +68,4 @@
 		"remoteExtPath": "LPCodeMirror"
 	},
 	"manifest_version": 2
-}
\ No newline at end of file
+}