diff --git a/package.json b/package.json
index 12408fc..b8eb9c3 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   },
   "dependencies": {
     "bitwise": "^0.2.0",
-    "lodash": "^4.17.20",
+    "lodash": "^4.17.21",
     "stream-parser": "^0.3.1"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 1ba771c..938f03f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -421,10 +421,10 @@ locate-path@^6.0.0:
   dependencies:
     p-locate "^5.0.0"
 
-lodash@^4.17.20:
-  version "4.17.20"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
-  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@4.0.0:
   version "4.0.0"