diff --git a/package.json b/package.json
index e630b0d..7ae7478 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "@types/lodash": "^4.14.134",
     "@types/node": "^12.0.7",
-    "immer": "^3.1.2",
+    "immer": "^9.0.6",
     "immutable": "^4.0.0-rc.12",
     "immutable-assign": "^2.1.2",
     "seamless-immutable": "^7.1.3",
diff --git a/yarn.lock b/yarn.lock
index a0715d3..1a5786c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -425,10 +425,10 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-immer@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/immer/-/immer-3.1.2.tgz#1f24f2e25433f5ff168a1ff6c8c6366d2106e61a"
-  integrity sha512-pi8JuvJ9c+98DlpDms/o0YLLg5khP8Qzjd8CtIGc4qVm2eoLdQGivJL266nWccofKT/oBSxnhAh/o+nmOXtLXw==
+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==
 
 immutable-assign@^2.1.2:
   version "2.1.2"