diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index a7488aa..a075c3a
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "moment-timezone": "^0.5.27",
     "mousetrap": "^1.6.5",
     "node-misrcon": "^2.2.3",
-    "prismjs": "^1.19.0",
+    "prismjs": "^1.21.0",
     "react": "^16.12.0",
     "react-beautiful-dnd": "^12.2.0",
     "react-chartkick": "^0.4.0",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index e4bb601..fa1dc4d
--- a/yarn.lock
+++ b/yarn.lock
@@ -7660,10 +7660,10 @@ pretty-format@^24.9.0:
     ansi-styles "^3.2.0"
     react-is "^16.8.4"
 
-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@^1.21.0:
+  version "1.21.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
+  integrity sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==
   optionalDependencies:
     clipboard "^2.0.0"