diff --git a/package-lock.json b/package-lock.json
index b283ad8..ef31d60 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10049,9 +10049,9 @@
       "integrity": "sha512-Fz+Z8dojUqftQF30MQsQeNv8t/XI/Rd7rJTAdvIBjhTCBedqw14tqNkauiVRXfDkkf3PJG6RegovG/5bMUNiCA=="
     },
     "prismjs": {
-      "version": "1.21.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.21.0.tgz",
-      "integrity": "sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==",
+      "version": "1.23.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.23.0.tgz",
+      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
       "requires": {
         "clipboard": "^2.0.0"
       }
diff --git a/package.json b/package.json
index 2dbc5dd..b7b9884 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "gatsby-transformer-remark": "^1.7.44",
     "normalize.css": "^8.0.0",
     "prism-solarized-dark": "^1.0.1",
-    "prismjs": "^1.21.0",
+    "prismjs": "^1.23.0",
     "react-helmet": "^5.2.0"
   }
 }