diff --git a/package.json b/package.json
index 298dac56..6bdcc68e 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "gatsby-remark-prismjs": "^3.2.4",
     "gatsby-remark-responsive-iframe": "^2.0.9",
     "gatsby-remark-smartypants": "^2.0.8",
-    "gatsby-source-filesystem": "^2.0.20",
+    "gatsby-source-filesystem": "^2.0.23",
     "gatsby-source-graphql": "^2.0.10",
     "gatsby-transformer-remark": "^2.2.4",
     "gatsby-transformer-sharp": "^2.1.9",