diff --git a/Gemfile b/Gemfile
index 8cfdaea..9bd49e1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 gem "jekyll", "~> 3.9"
 
-gem "execjs", "2.7.0" # https://github.com/rails/execjs/issues/99
+gem "execjs", "2.8.1" # https://github.com/rails/execjs/issues/99
 gem "autoprefixer-rails"
 gem "sprockets", "~> 4"
 gem "kramdown-parser-gfm", "~> 1.1.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 618a40e..5cbcdf0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
     ethon (0.15.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    execjs (2.7.0)
+    execjs (2.8.1)
     extras (0.3.0)
       forwardable-extended (~> 2.5)
     fastimage (2.2.6)
@@ -136,7 +136,7 @@ PLATFORMS
 
 DEPENDENCIES
   autoprefixer-rails
-  execjs (= 2.7.0)
+  execjs (= 2.8.1)
   html-proofer (~> 3.19)
   jekyll (~> 3.9)
   jekyll-assets!