diff --git a/package.json b/package.json
index 24c59d7..04abcc7 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "redux-persist": "^6.x.x"
   },
   "dependencies": {
-    "crypto-js": "^4.0.0",
+    "crypto-js": "3.1.9-1",
     "json-stringify-safe": "^5.0.1"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index fa17abf..21af824 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1078,10 +1078,10 @@ cross-spawn@^7.0.0:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-crypto-js@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-4.0.0.tgz#2904ab2677a9d042856a2ea2ef80de92e4a36dcc"
-  integrity sha512-bzHZN8Pn+gS7DQA6n+iUmBfl0hO5DJq++QP3U6uTucDtk/0iGpXd/Gg7CGR0p8tJhofJyaKoWBuJI4eAO00BBg==
+crypto-js@3.1.9-1:
+  version "3.1.9-1"
+  resolved "https://registry.yarnpkg.com/crypto-js/-/crypto-js-3.1.9-1.tgz#fda19e761fc077e01ffbfdc6e9fdfc59e8806cd8"
+  integrity sha1-/aGedh/Ad+Af+/3G6f38WeiAbNg=
 
 cssom@^0.4.4:
   version "0.4.4"