diff --git a/package.json b/package.json
index 775a46a..ff151d6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "redux-oidc",
-  "version": "3.1.6",
+  "version": "3.1.7",
   "description": "A package for managing OpenID Connect authentication in redux apps",
   "main": "dist/redux-oidc.js",
   "types": "./index.d.ts",
@@ -61,7 +61,9 @@
   "peerDependencies": {
     "react": ">=16.8.4",
     "prop-types": ">=15.5.8",
-    "oidc-client": ">=1.6.1",
+    "oidc-client": ">=1.6.1"
+  },
+  "optionalDependencies": {
     "immutable": ">=3.6.0"
   },
   "browserify": {