diff --git a/package.json b/package.json
index 22df9bcbe..9a1134c46 100644
--- a/package.json
+++ b/package.json
@@ -231,7 +231,7 @@
     "systeminformation": "5.21.7"
   },
   "optionalDependencies": {
-    "@symphony/symphony-c9-shell": "3.29.0-0.98.3.175",
+    "@symphony/symphony-c9-shell": "3.26.0-0.98.2.165",
     "screen-share-indicator-frame": "git+https://github.com/finos/ScreenShareIndicatorFrame.git#v1.4.13",
     "screen-snippet": "git+https://github.com/finos/ScreenSnippet2.git#9.2.2",
     "symphony-native-window-handle-helper": "github:finos/SymphonyWindowsHwndHelper#1.0.1",