diff --git a/site/package.json b/site/package.json
index bba53711b..f6b759c4f 100644
--- a/site/package.json
+++ b/site/package.json
@@ -8,7 +8,7 @@
     "bulma": "0.7.4",
     "classnames": "2.2.6",
     "docsearch.js": "2.6.2",
-    "gatsby": "2.1.20",
+    "gatsby": "2.1.21",
     "gatsby-image": "2.0.31",
     "gatsby-plugin-catch-links": "2.0.12",
     "gatsby-plugin-manifest": "2.0.21",
@@ -20,7 +20,7 @@
     "gatsby-plugin-svgr": "2.0.1",
     "gatsby-remark-autolink-headers": "2.0.15",
     "gatsby-remark-copy-linked-files": "2.0.9",
-    "gatsby-remark-images": "3.0.5",
+    "gatsby-remark-images": "3.0.6",
     "gatsby-remark-prismjs": "3.2.4",
     "gatsby-remark-smartypants": "2.0.8",
     "gatsby-source-filesystem": "2.0.23",
diff --git a/site/yarn.lock b/site/yarn.lock
index e70113fa9..53a6d1e6f 100644
--- a/site/yarn.lock
+++ b/site/yarn.lock
@@ -6098,10 +6098,10 @@ gatsby-remark-copy-linked-files@2.0.9:
     probe-image-size "^4.0.0"
     unist-util-visit "^1.3.0"
 
-gatsby-remark-images@3.0.5:
-  version "3.0.5"
-  resolved "https://registry.yarnpkg.com/gatsby-remark-images/-/gatsby-remark-images-3.0.5.tgz#da839b37be6ef40cf4a7cfd32df57c266f41dac8"
-  integrity sha512-FTxBq4UZvdbeK6EoedXXH/iP7sF5DZnwrCU7sFBWzO1BYGSsAUxpo/e5tdnh6rMcLHv1jDQWC5ajQXy79EQ/UA==
+gatsby-remark-images@3.0.6:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/gatsby-remark-images/-/gatsby-remark-images-3.0.6.tgz#82fd2cdddd0290f03b40da20b0445b0577d8324b"
+  integrity sha512-y6ulmOnlzVVG5ti6LNv4nZia/+2Kkmz/k00oxDKBprlhd5TiN8KmQKphF2h4p4ccdoeyIy7cQTy3RBuNKFovBQ==
   dependencies:
     "@babel/runtime" "^7.0.0"
     cheerio "^1.0.0-rc.2"
@@ -6192,10 +6192,10 @@ gatsby-transformer-sharp@2.1.15:
     probe-image-size "^4.0.0"
     sharp "^0.21.3"
 
-gatsby@2.1.20:
-  version "2.1.20"
-  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-2.1.20.tgz#176e1d6845098d17f21a6d21790414e1d7e0b20c"
-  integrity sha512-YX08omItcGcvezjZ5DJKwwMkSQ4I+ULSxdXI+rmYNrnv6v+jHmRsXPA0zJBERRhexMdvVutSD3J/IwsvWnwuWw==
+gatsby@2.1.21:
+  version "2.1.21"
+  resolved "https://registry.yarnpkg.com/gatsby/-/gatsby-2.1.21.tgz#8d2d0767f76985c6facd8e2c596533ebcca70379"
+  integrity sha512-LPdQcXP48cowlCf6ky+ZvawAvtfVi0/D9SEDuLBRiMXJZyb/6aZVkHCWlRGJB1fOHGqfm9zh8WslAJMJY7G1VQ==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     "@babel/core" "^7.0.0"