diff --git a/package-lock.json b/package-lock.json
index a748fc3..a75a147 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ts2redux",
-  "version": "1.0.35",
+  "version": "1.0.37",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -351,7 +351,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
           "requires": {
@@ -2509,9 +2509,9 @@
       "dev": true
     },
     "immer": {
-      "version": "1.8.0",
-      "resolved": "https://registry.npmjs.org/immer/-/immer-1.8.0.tgz",
-      "integrity": "sha512-zOox8DNAunPeQgKwbAiwEUAHhZXtMPZo7VZ7m7h9cpQL1I35bAeaxMfwYyLEIt6RZUelFfsOBfG1GJu/iQNgxw==",
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/immer/-/immer-8.0.1.tgz",
+      "integrity": "sha512-aqXhGP7//Gui2+UrEtvxZxSquQVXTpZ7KDxfCcKAF3Vysvw0CViVaW9RZ1j1xlIYqaaaipBoqdqeibkc18PNvA==",
       "dev": true
     },
     "import-lazy": {
@@ -4864,7 +4864,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "requires": {
             "ansi-regex": "^2.0.0"
diff --git a/package.json b/package.json
index 56517dc..29ac5ea 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "chai": "^4.2.0",
     "express": "^4.16.4",
     "express-http-context": "^1.2.0",
-    "immer": "^1.7.4",
+    "immer": "^8.0.1",
     "json2yaml": "^1.1.0",
     "mocha": "^5.2.0",
     "nodemon": "^1.18.6",