diff --git a/package.json b/package.json
index 5c5fa6ac..142dc5b8 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "gatsby-source-filesystem": "^2.1.53",
     "gatsby-transformer-remark": "^2.7.1",
     "gatsby-transformer-sharp": "^2.3.13",
-    "prismjs": "^1.19.0",
+    "prismjs": "^1.23.0",
     "prop-types": "^15.7.2",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
diff --git a/yarn.lock b/yarn.lock
index 862c3bc6..de2fd031 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10336,10 +10336,10 @@ pretty-error@^2.1.1:
     renderkid "^2.0.1"
     utila "~0.4"
 
-prismjs@^1.19.0:
-  version "1.19.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.19.0.tgz#713afbd45c3baca4b321569f2df39e17e729d4dc"
-  integrity sha512-IVFtbW9mCWm9eOIaEkNyo2Vl4NnEifis2GQ7/MLRG5TQe6t+4Sj9J5QWI9i3v+SS43uZBlCAOn+zYTVYQcPXJw==
+prismjs@^1.23.0:
+  version "1.23.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.23.0.tgz#d3b3967f7d72440690497652a9d40ff046067f33"
+  integrity sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==
   optionalDependencies:
     clipboard "^2.0.0"