diff --git a/site/package.json b/site/package.json
index 900b2d9f4..147f7f745 100644
--- a/site/package.json
+++ b/site/package.json
@@ -27,7 +27,7 @@
     "gatsby-transformer-remark": "2.2.5",
     "node-sass": "4.11.0",
     "prismjs": "1.15.0",
-    "prop-types": "15.7.1",
+    "prop-types": "15.7.2",
     "react": "16.8.1",
     "react-dom": "16.8.1",
     "react-helmet": "5.2.0",
diff --git a/site/yarn.lock b/site/yarn.lock
index 418591615..57eda5971 100644
--- a/site/yarn.lock
+++ b/site/yarn.lock
@@ -10880,11 +10880,12 @@ promise@^7.1.1:
   dependencies:
     asap "~2.0.3"
 
-prop-types@15.7.1:
-  version "15.7.1"
-  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.1.tgz#2fa61e0a699d428b40320127733ee2931f05d9d1"
-  integrity sha512-f8Lku2z9kERjOCcnDOPm68EBJAO2K00Q5mSgPAUE/gJuBgsYLbVy6owSrtcHj90zt8PvW+z0qaIIgsIhHOa1Qw==
+prop-types@15.7.2:
+  version "15.7.2"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
+  integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
   dependencies:
+    loose-envify "^1.4.0"
     object-assign "^4.1.1"
     react-is "^16.8.1"