diff --git a/package-lock.json b/package-lock.json
index 075986c..ae1305f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7134,9 +7134,9 @@
       "dev": true
     },
     "immer": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/immer/-/immer-5.1.0.tgz",
-      "integrity": "sha512-t6gyFtTcokCuI0tX9KQZJQAkIjSqo/nTeJnwojfty69EzrorZbywwhZ8qNNlF+faajHeRnhOvM2F40KHLFCghQ=="
+      "version": "9.0.6",
+      "resolved": "https://registry.npmjs.org/immer/-/immer-9.0.6.tgz",
+      "integrity": "sha512-G95ivKpy+EvVAnAab4fVa4YGYn24J1SpEktnJX7JJ45Bd7xqME/SCplFzYFmTbrkwZbQ4xJK1xMTUYBkN6pWsQ=="
     },
     "import-fresh": {
       "version": "3.2.1",
diff --git a/package.json b/package.json
index b0e12e7..efe6afd 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@material-ui/icons": "^4.5.1",
     "@material-ui/styles": "^4.7.1",
     "file-saver": "^2.0.2",
-    "immer": "^5.1.0",
+    "immer": "^9.0.6",
     "marked": "^0.8.0",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",