diff --git a/package.json b/package.json
index 217fcb3..ec81249 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "netlify-cms-app": "^2.11.32",
     "node-sass": "^4.13.1",
     "normalize-scss": "^7.0.1",
-    "prismjs": "^1.19.0",
+    "prismjs": "^1.20.0",
     "react": "^16.13.1",
     "react-disqus-comments": "^1.4.0",
     "react-dom": "^16.13.1",
diff --git a/yarn.lock b/yarn.lock
index e384cb5..6e9b646 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13491,10 +13491,10 @@ pretty-format@^25.2.6:
     ansi-styles "^4.0.0"
     react-is "^16.12.0"
 
-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@^1.20.0:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.20.0.tgz#9b685fc480a3514ee7198eac6a3bf5024319ff03"
+  integrity sha512-AEDjSrVNkynnw6A+B1DsFkd6AVdTnp+/WoUixFRULlCLZVRZlVQMVWio/16jv7G1FscUxQxOQhWwApgbnxr6kQ==
   optionalDependencies:
     clipboard "^2.0.0"