diff --git a/package.json b/package.json
index bd178ec..3c032f7 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "gatsby-transformer-remark": "^2.6.33",
     "gatsby-transformer-sharp": "^2.3.3",
     "lodash.isequal": "^4.5.0",
-    "prismjs": "^1.21.0",
+    "prismjs": "^1.27.0",
     "react": "^17.0.1",
     "react-dom": "^17.0.1",
     "react-emotion": "^9.2.10",
diff --git a/yarn.lock b/yarn.lock
index c1b2fb7..314e660 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11593,12 +11593,10 @@ pretty-format@^25.5.0:
     ansi-styles "^4.0.0"
     react-is "^16.12.0"
 
-prismjs@^1.21.0, prismjs@^1.8.4:
-  version "1.23.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.23.0.tgz#d3b3967f7d72440690497652a9d40ff046067f33"
-  integrity sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==
-  optionalDependencies:
-    clipboard "^2.0.0"
+prismjs@^1.27.0, prismjs@^1.8.4:
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
+  integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
 
 prismjs@~1.17.0:
   version "1.17.1"