diff --git a/Gemfile b/Gemfile
index fd736d1..36edfee 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem "appsignal"
 gem "rack-attack"
 
 # Stripe for payment processing
-gem "stripe", "~> 12.0"
+gem "stripe", "~> 18.1"
 
 # Markdown processing
 gem "kramdown", "~> 2.4"
diff --git a/Gemfile.lock b/Gemfile.lock
index a65d161..73e9154 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -356,7 +356,7 @@ GEM
     stimulus-rails (1.3.4)
       railties (>= 6.0.0)
     stringio (3.2.0)
-    stripe (12.6.0)
+    stripe (18.1.0)
     tailwindcss-rails (4.4.0)
       railties (>= 7.0.0)
       tailwindcss-ruby (~> 4.0)
@@ -437,7 +437,7 @@ DEPENDENCIES
   selenium-webdriver
   shoulda-matchers (~> 6.0)
   stimulus-rails
-  stripe (~> 12.0)
+  stripe (~> 18.1)
   tailwindcss-rails
   turbo-rails
   tzinfo-data