diff --git a/package-lock.json b/package-lock.json
index 1981c2b..0b7a5b5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15120,9 +15120,9 @@
       }
     },
     "prismjs": {
-      "version": "1.20.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.20.0.tgz",
-      "integrity": "sha512-AEDjSrVNkynnw6A+B1DsFkd6AVdTnp+/WoUixFRULlCLZVRZlVQMVWio/16jv7G1FscUxQxOQhWwApgbnxr6kQ==",
+      "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 878d2cc..2839d74 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "gatsby-transformer-remark": "^2.8.19",
     "gatsby-transformer-sharp": "^2.5.7",
     "lodash": "^4.17.15",
-    "prismjs": "^1.20.0",
+    "prismjs": "^1.23.0",
     "prop-types": "^15.7.2",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",