diff --git a/package.json b/package.json
index b5c453c..0fa7bc5 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "0.0.0-development",
   "description": "",
   "keywords": [],
+  "sideEffects": false,
   "main": "dist/ts-equality-comparer.umd.js",
   "module": "dist/ts-equality-comparer.es5.js",
   "typings": "dist/types/ts-equality-comparer.d.ts",
@@ -118,7 +119,7 @@
     "typescript": "^3.0.3"
   },
   "dependencies": {
-    "ts-deep-equal": "^1.1.2",
-    "ts-gethashcode": "^1.0.0"
+    "ts-deep-equal": "^1.1.4",
+    "ts-gethashcode": "^1.0.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 21a4f46..4e746a2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8211,24 +8211,24 @@ trim-right@^1.0.1:
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
   integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
 
-ts-deep-equal@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/ts-deep-equal/-/ts-deep-equal-1.1.2.tgz#9ad00940169eeff912e8bacac5956d18398a1185"
-  integrity sha512-oAg8fVhmO6B7jnZaVcXlgxQMPsdoXA3NLvMlL2cBzbap5mimZY51zYQqLSvkhRnDzlrjvjgIvLTAxTM5L/XKVA==
+ts-deep-equal@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/ts-deep-equal/-/ts-deep-equal-1.1.4.tgz#9aec58a6f1a440388ab26ce5346941ce63bc71b3"
+  integrity sha512-jz0iqYExbXgZ2LM89onnBPBqlAlY8OzEzoC3QlzaFJRRRG26g34fhxCcYBHhDEKoBzfcDYCyC+gqLbkCwqOSIA==
   dependencies:
-    ts-entries "^1.1.0"
+    ts-entries "^1.1.1"
 
-ts-entries@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/ts-entries/-/ts-entries-1.1.0.tgz#915544e408402919dcc79c20d7d9be776cd8c623"
-  integrity sha512-IOrmt/2+Yfd12GVybSyj7RvsrpD8kpCfTxzk/W9YDBkU9DRtTzKeQh9AqwN4KmNCBUT4L5Vbuo7wRL2ckAzklg==
+ts-entries@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ts-entries/-/ts-entries-1.1.1.tgz#ebbab301fad3d8fe30f69ea4a72fe7fd6a381f2d"
+  integrity sha512-pogJm20/dK5B58PmuAXuGdOp9eT2T+njfC0dYiejbGB8TZV1pXZpNKRwIPRrx7gKqnsouJ/pLuyPxuzQV8dgSA==
 
-ts-gethashcode@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/ts-gethashcode/-/ts-gethashcode-1.0.0.tgz#b76a5d46bb083bd235b12bcb4305293675d4bef7"
-  integrity sha512-GpweMyFie73qUZsLSG9OnvjqybWbTXCv9rBB+bEZCTzL4tZcRW5pd96OizVkFGygfJcUXgW3giJVeAv5VLLJHg==
+ts-gethashcode@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ts-gethashcode/-/ts-gethashcode-1.0.1.tgz#8c89bb8b6dd1b07f68b548eec3f17ebbcd065578"
+  integrity sha512-QxAQtQHGYni9gxN92nJhOhu7b3Agyj2/xX9QPz5KubXPXzKwElggeQZGm+ltqwLC8GyC7bpyVCY9+btolXhW9g==
   dependencies:
-    ts-entries "^1.1.0"
+    ts-entries "^1.1.1"
 
 ts-jest@^23.10.2:
   version "23.10.5"