diff --git a/package.json b/package.json
index 0e1fc60..b9effe9 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Simple React application showcasing Redux and Jest (now using hooks!)",
   "private": true,
   "dependencies": {
-    "immer": "^5.3.2",
+    "immer": "^9.0.6",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "react-redux": "7.1.3",
diff --git a/yarn.lock b/yarn.lock
index 547e8c9..8cbbecf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5967,10 +5967,10 @@ immer@^4.0.1:
   resolved "https://registry.yarnpkg.com/immer/-/immer-4.0.2.tgz#9ff0fcdf88e06f92618a5978ceecb5884e633559"
   integrity sha512-Q/tm+yKqnKy4RIBmmtISBlhXuSDrB69e9EKTYiIenIKQkXBQir43w+kN/eGiax3wt1J0O1b2fYcNqLSbEcXA7w==
 
-immer@^5.3.2:
-  version "5.3.2"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-5.3.2.tgz#e3a1c9f3550f925278fd86b8d2d644f7d5e9561b"
-  integrity sha512-wPWsSV0fv8iT7QQVs3rxBDWTbi5pHrVgnQv/McMfaRGJTLfQ3jFMEr08UibqS8hM17KCQXcjjYYzQzYe5e7BIA==
+immer@^9.0.6:
+  version "9.0.6"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-9.0.6.tgz#7a96bf2674d06c8143e327cbf73539388ddf1a73"
+  integrity sha512-G95ivKpy+EvVAnAab4fVa4YGYn24J1SpEktnJX7JJ45Bd7xqME/SCplFzYFmTbrkwZbQ4xJK1xMTUYBkN6pWsQ==
 
 import-cwd@^2.0.0:
   version "2.1.0"