diff --git a/package.json b/package.json
index f5a5055..b75930a 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "gatsby-plugin-sitemap": "^1.2.10",
     "gatsby-remark-copy-linked-files": "^1.5.25",
     "gatsby-remark-images": "^1.5.37",
-    "gatsby-remark-prismjs": "^1.2.12",
+    "gatsby-remark-prismjs": "^3.1.3",
     "gatsby-remark-responsive-iframe": "^1.4.16",
     "gatsby-remark-smartypants": "^1.4.10",
     "gatsby-source-filesystem": "^1.5.11",
@@ -46,7 +46,8 @@
     "react": "^15.6.1",
     "react-helmet": "^5.2.0",
     "react-disqus-comments": "^1.1.1",
-    "gatsby-plugin-google-fonts": "latest"
+    "gatsby-plugin-google-fonts": "latest",
+    "prismjs": "^1.15.0"
   },
   "devDependencies": {
     "eslint": "^4.14.0",