diff --git a/package.json b/package.json
index 7f1d73509..22d8377d7 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "juice": "5.2.0",
     "node-sass": "^4.12.0",
     "postgraphile": "^4.12.3",
-    "prismjs": "1.27.0",
+    "prismjs": "1.30.0",
     "react": "^16.9.0",
     "react-dom": "^16.9.0",
     "react-github-btn": "^1.0.6",
diff --git a/yarn.lock b/yarn.lock
index 764ff0fff..91ff58fbf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12044,10 +12044,10 @@ pretty-error@^2.1.1:
     renderkid "^2.0.1"
     utila "~0.4"
 
-prismjs@1.27.0:
-  version "1.27.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
-  integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
+prismjs@1.30.0:
+  version "1.30.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.30.0.tgz#d9709969d9d4e16403f6f348c63553b19f0975a9"
+  integrity sha512-DEvV2ZF2r2/63V+tK8hQvrR2ZGn10srHbXviTlcv7Kpzw8jWiNTqbVgjO3IY8RxrrOUF8VPMQQFysYYYv0YZxw==
 
 private@^0.1.6, private@^0.1.8:
   version "0.1.8"