diff --git a/package.json b/package.json
index 72c5ffa..bbd99ff 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "gatsby-transformer-sharp": "4.2.0",
     "preact": "10.5.15",
     "preact-render-to-string": "5.1.19",
-    "prismjs": "1.25.0",
+    "prismjs": "1.27.0",
     "prop-types": "15.7.2",
     "react": "17.0.2",
     "react-dom": "17.0.2",
diff --git a/yarn.lock b/yarn.lock
index 80b973a..df8306b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10135,10 +10135,10 @@ pretty-format@^3.8.0:
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-3.8.0.tgz#bfbed56d5e9a776645f4b1ff7aa1a3ac4fa3c385"
   integrity sha1-v77VbV6ad2ZF9LH/eqGjrE+jw4U=
 
-prismjs@1.25.0:
-  version "1.25.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.25.0.tgz#6f822df1bdad965734b310b315a23315cf999756"
-  integrity sha512-WCjJHl1KEWbnkQom1+SzftbtXMKQoezOCYs5rECqMN+jP+apI7ftoflyqigqzopSO3hMhTEb0mFClA8lkolgEg==
+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==
 
 probe-image-size@^6.0.0:
   version "6.0.0"