diff --git a/script-resources/markdown2htmldoc/package.json b/script-resources/markdown2htmldoc/package.json
index cc1dae8..9bdddea 100644
--- a/script-resources/markdown2htmldoc/package.json
+++ b/script-resources/markdown2htmldoc/package.json
@@ -7,7 +7,7 @@
     "markdown-it": "*",
     "markdown-it-emoji": "*",
     "markdown-it-task-checkbox": "*",
-    "prismjs": "^1.21.0"
+    "prismjs": "^1.23.0"
   },
   "devDependencies": {
     "eslint": "*",
diff --git a/script-resources/markdown2htmldoc/yarn.lock b/script-resources/markdown2htmldoc/yarn.lock
index ecb8902..7da943a 100644
--- a/script-resources/markdown2htmldoc/yarn.lock
+++ b/script-resources/markdown2htmldoc/yarn.lock
@@ -708,10 +708,10 @@ prettier@*:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.1.1.tgz#d9485dd5e499daa6cb547023b87a6cf51bee37d6"
   integrity sha512-9bY+5ZWCfqj3ghYBLxApy2zf6m+NJo5GzmLTpr9FsApsfjriNnS2dahWReHMi7qNPhhHl9SYHJs2cHZLgexNIw==
 
-prismjs@^1.21.0:
-  version "1.21.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
-  integrity sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==
+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"