diff --git a/Gemfile.lock b/Gemfile.lock
index 47a61a1..ad1e680 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ PATH
       base64 (~> 0.1, > 0.1.1)
       json (~> 2.0)
       marcel (~> 1.0)
-      openai (~> 0.43)
+      openai (~> 0.59)
       tty-spinner (~> 0.9.3)
 
 GEM
@@ -66,7 +66,7 @@ GEM
     lint_roller (1.1.0)
     logger (1.7.0)
     marcel (1.1.0)
-    openai (0.43.0)
+    openai (0.59.0)
       base64
       cgi
       connection_pool
diff --git a/ai-chat.gemspec b/ai-chat.gemspec
index c7c0f84..2abf042 100644
--- a/ai-chat.gemspec
+++ b/ai-chat.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |spec|
   }
 
   spec.required_ruby_version = ">= 3.2"
-  spec.add_runtime_dependency "openai", "~> 0.43"
+  spec.add_runtime_dependency "openai", "~> 0.59"
   spec.add_runtime_dependency "marcel", "~> 1.0"
   spec.add_runtime_dependency "base64", "~> 0.1", "> 0.1.1"
   spec.add_runtime_dependency "json", "~> 2.0"