diff --git a/package.json b/package.json
index 398fe4d..d890819 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "lodash": "^4.17.21",
     "moment": "^2.29.1",
     "node-sass": "^6.0.0",
-    "prismjs": "^1.23.0",
+    "prismjs": "^1.27.0",
     "react": "^17.0.2",
     "react-disqus-comments": "^1.4.0",
     "react-dom": "^17.0.2",
diff --git a/yarn.lock b/yarn.lock
index 751a030..37fefcc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5020,7 +5020,7 @@ duplexer@^0.1.1:
 
 duplexer@~0.1.1:
   version "0.1.1"
-  resolved "http://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
+  resolved "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
 
 e-prime@^0.10.4:
   version "0.10.4"
@@ -5253,7 +5253,7 @@ es6-iterator@2.0.3, es6-iterator@^2.0.3, es6-iterator@~2.0.3:
 
 es6-promise@^3.0.2:
   version "3.3.1"
-  resolved "http://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
+  resolved "https://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
 
 es6-symbol@^3.1.1, es6-symbol@~3.1.3:
   version "3.1.3"
@@ -11779,10 +11779,10 @@ pretty-format@^25.5.0:
     ansi-styles "^4.0.0"
     react-is "^16.12.0"
 
-prismjs@^1.23.0:
-  version "1.26.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.26.0.tgz#16881b594828bb6b45296083a8cbab46b0accd47"
-  integrity sha512-HUoH9C5Z3jKkl3UunCyiD5jwk0+Hz0fIgQ2nbwU2Oo/ceuTAQAg+pPVnfdt2TJWRVLcxKh9iuoYDUSc8clb5UQ==
+prismjs@^1.27.0:
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.27.0.tgz#bb6ee3138a0b438a3653dd4d6ce0cc6510a45057"
+  integrity sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==
 
 probe-image-size@^6.0.0:
   version "6.0.0"
@@ -12188,7 +12188,7 @@ readable-stream@3, readable-stream@^3.0.0, readable-stream@^3.0.2, readable-stre
 
 "readable-stream@>=1.0.33-1 <1.1.0-0":
   version "1.0.34"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
@@ -15385,7 +15385,7 @@ worker-rpc@^0.1.0:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   dependencies:
     string-width "^1.0.1"
     strip-ansi "^3.0.1"