diff --git a/package.json b/package.json
index 7b6e938dd0..27700d2073 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "compare-versions": "3.6.0",
     "escape-string-regexp": "4.0.0",
     "ignore": "5.1.8",
-    "lodash": "4.17.20",
+    "lodash": "4.17.21",
     "probot": "11.0.6",
     "regex-parser": "2.2.11",
     "request": "2.88.2",
diff --git a/yarn.lock b/yarn.lock
index d06f222c9e..b17ab72ed2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4195,10 +4195,10 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
   integrity sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=
 
-lodash@4.17.20, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.15, 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, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.15, lodash@^4.17.20:
+  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"