diff --git a/package.json b/package.json
index 1ad02d97..43b3192e 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "jszip": "^3.10.1",
     "monaco-editor": "^0.50.0",
     "shiki": "^1.10.0",
-    "splitpanes": "^3.1.5",
+    "splitpanes4": "^4.0.3",
     "strip-json-comments": "^5.0.1",
     "theme-vitesse": "^0.8.0",
     "unified": "^11.0.5",