diff --git a/Gemfile b/Gemfile
index 7ec2a39c9..a57e2c11b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem "ahoy_matey", "~> 5.0.2"
 gem "airbrake", "~> 13.0.4"
 gem "ancestry", "~> 4.3.3"
 gem "audited", "~> 5.4.3"
-gem "autoprefixer-rails", "~> 10.2.5.1"
+gem "autoprefixer-rails", "~> 10.4.16"
 gem "bing_translator", "~> 6.2.0"
 gem "cancancan", "~> 3.5.0"
 gem "caxlsx", "~> 4.1.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 8156acee0..58b61de2b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,8 +87,8 @@ GEM
     audited (5.4.3)
       activerecord (>= 5.0, < 7.2)
       request_store (~> 1.2)
-    autoprefixer-rails (10.2.5.1)
-      execjs (> 0)
+    autoprefixer-rails (10.4.16.0)
+      execjs (~> 2)
     base64 (0.1.1)
     bcrypt (3.1.20)
     better_html (2.0.2)
@@ -682,7 +682,7 @@ DEPENDENCIES
   airbrake (~> 13.0.4)
   ancestry (~> 4.3.3)
   audited (~> 5.4.3)
-  autoprefixer-rails (~> 10.2.5.1)
+  autoprefixer-rails (~> 10.4.16)
   bing_translator (~> 6.2.0)
   bullet (~> 7.1.6)
   byebug (~> 11.1.3)