diff --git a/Gemfile b/Gemfile
index eaf145f..f51e201 100644
--- a/Gemfile
+++ b/Gemfile
@@ -64,4 +64,4 @@ end
 
 gem "tailwindcss-rails"
 
-gem "tailwindcss-ruby", "3.4.13"
+gem "tailwindcss-ruby", "4.0.9"
diff --git a/Gemfile.lock b/Gemfile.lock
index 135fe32..b17ce81 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -317,13 +317,15 @@ GEM
     stimulus-rails (1.3.4)
       railties (>= 6.0.0)
     stringio (3.1.2)
-    tailwindcss-rails (3.3.1)
+    tailwindcss-rails (4.1.0)
       railties (>= 7.0.0)
-      tailwindcss-ruby (~> 3.0)
-    tailwindcss-ruby (3.4.13-aarch64-linux)
-    tailwindcss-ruby (3.4.13-arm-linux)
-    tailwindcss-ruby (3.4.13-arm64-darwin)
-    tailwindcss-ruby (3.4.13-x86_64-linux)
+      tailwindcss-ruby (~> 4.0)
+    tailwindcss-ruby (4.0.9)
+    tailwindcss-ruby (4.0.9-aarch64-linux-gnu)
+    tailwindcss-ruby (4.0.9-aarch64-linux-musl)
+    tailwindcss-ruby (4.0.9-arm64-darwin)
+    tailwindcss-ruby (4.0.9-x86_64-linux-gnu)
+    tailwindcss-ruby (4.0.9-x86_64-linux-musl)
     thor (1.3.2)
     thruster (0.1.10)
     thruster (0.1.10-aarch64-linux)
@@ -385,7 +387,7 @@ DEPENDENCIES
   sqlite3 (>= 2.1)
   stimulus-rails
   tailwindcss-rails
-  tailwindcss-ruby (= 3.4.13)
+  tailwindcss-ruby (= 4.0.9)
   thruster
   turbo-rails
   tzinfo-data