diff --git a/Gemfile b/Gemfile
index 9584519..d80dce0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -50,7 +50,7 @@ end
 # gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 
 # Autoprefix any CSS properties that need it
-gem "autoprefixer-rails", "~> 9"
+gem "autoprefixer-rails", "~> 10"
 
 # Rails engine for cache-friendly, client-side local time
 gem "local_time", "~> 2.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index b2d7233..886aca9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     arel (9.0.0)
-    autoprefixer-rails (9.7.6)
+    autoprefixer-rails (10.2.4.0)
       execjs
     bcrypt (3.1.13)
     benchmark-ips (2.8.2)
@@ -217,7 +217,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  autoprefixer-rails (~> 9)
+  autoprefixer-rails (~> 10)
   bcrypt (~> 3.1.11)
   byebug
   capybara (~> 3)