diff --git a/package.json b/package.json
index 7830e8d..1fbf83e 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   },
   "homepage": "https://github.com/Jarweb/wolverine-state#readme",
   "dependencies": {
-    "immer": "^6.0.3",
+    "immer": "^9.0.6",
     "react": "^16.13.1",
     "react-dom": "^16.13.1"
   },
diff --git a/yarn.lock b/yarn.lock
index c1c9e8d..1c9f35a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4242,10 +4242,10 @@ image-size@~0.5.0:
   resolved "https://registry.npmjs.org/image-size/-/image-size-0.5.5.tgz#09dfd4ab9d20e29eb1c3e80b8990378df9e3cb9c"
   integrity sha1-Cd/Uq50g4p6xw+gLiZA3jfnjy5w=
 
-immer@^6.0.3:
-  version "6.0.3"
-  resolved "https://registry.npmjs.org/immer/-/immer-6.0.3.tgz#94d5051cd724668160a900d66d85ec02816f29bd"
-  integrity sha512-12VvNrfSrXZdm/BJgi/KDW2soq5freVSf3I1+4CLunUM8mAGx2/0Njy0xBVzi5zewQZiwM7z1/1T+8VaI7NkmQ==
+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"