diff --git a/Gemfile b/Gemfile
index 6bb485c6..1e878a24 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 
 gem "jekyll", "~> 4.0"
-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"
 
 group :jekyll_plugins do
diff --git a/Gemfile.lock b/Gemfile.lock
index 79530671..914ba88e 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)
@@ -135,7 +135,7 @@ PLATFORMS
 
 DEPENDENCIES
   autoprefixer-rails
-  execjs (= 2.7.0)
+  execjs (= 2.8.1)
   html-proofer (~> 3.18)
   jekyll (~> 4.0)
   jekyll-assets!