diff --git a/Gemfile b/Gemfile
index 304689faf..857c7e7b3 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", "~> 8.2.0"
+gem "autoprefixer-rails", "~> 10.2.5.1"
 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 c7f0dfef3..54e7cdaa4 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 (8.2.0)
-      execjs
+    autoprefixer-rails (10.2.5.1)
+      execjs (> 0)
     base64 (0.1.1)
     bcrypt (3.1.20)
     better_html (2.0.2)
@@ -689,7 +689,7 @@ DEPENDENCIES
   airbrake (~> 13.0.4)
   ancestry (~> 4.3.3)
   audited (~> 5.4.3)
-  autoprefixer-rails (~> 8.2.0)
+  autoprefixer-rails (~> 10.2.5.1)
   bing_translator (~> 6.2.0)
   bullet (~> 7.1.6)
   byebug (~> 11.1.3)
diff --git a/app/assets/stylesheets/.browserslistrc b/app/assets/stylesheets/.browserslistrc
new file mode 100644
index 000000000..63bd8b23d
--- /dev/null
+++ b/app/assets/stylesheets/.browserslistrc
@@ -0,0 +1,2 @@
+last 1 version
+last 7 years
diff --git a/app/assets/stylesheets/browserslist b/app/assets/stylesheets/browserslist
deleted file mode 100644
index 6019618a9..000000000
--- a/app/assets/stylesheets/browserslist
+++ /dev/null
@@ -1,4 +0,0 @@
-last 2 versions
-ie >= 9
-Android >= 2.3
-ios >= 7