diff --git a/Gemfile b/Gemfile
index b1389a1..d50fb08 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'neat', '~> 1.7.1'
 gem 'nokogiri', '~> 1.13.6'
 gem 'rouge', '~> 2.2.1'
 gem 'therubyracer', '~>0.12.3'
-gem "jekyll-github-metadata", "~> 2.14"
+gem "jekyll-github-metadata", "~> 2.15"
 gem "kramdown", "~> 2.3.1"
 gem "kramdown-parser-gfm", "~> 1.1.0"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 1638f82..ec1620d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       safe_yaml (~> 1.0)
     jekyll-babel (1.1.0)
       babel-transpiler
-    jekyll-github-metadata (2.14.0)
+    jekyll-github-metadata (2.15.0)
       jekyll (>= 3.4, < 5.0)
       octokit (~> 4.0, != 4.4.0)
     jekyll-paginate (1.1.0)
@@ -128,7 +128,7 @@ DEPENDENCIES
   bourbon (~> 4.2.1)
   jekyll (~> 3.9.0)
   jekyll-babel (~> 1.1.0)
-  jekyll-github-metadata (~> 2.14)
+  jekyll-github-metadata (~> 2.15)
   jekyll-paginate (~> 1.1.0)
   json (~> 2.3)
   kramdown (~> 2.3.1)