diff --git a/types/theo/package.json b/types/theo/package.json
index 88cbaaaefec7d3..374447dc7a1af0 100644
--- a/types/theo/package.json
+++ b/types/theo/package.json
@@ -6,7 +6,7 @@
         "https://github.com/salesforce-ux/theo"
     ],
     "dependencies": {
-        "immutable": "3.8.2"
+        "immutable": "4.3.9"
     },
     "devDependencies": {
         "@types/theo": "workspace:."