diff --git a/functions_framework.gemspec b/functions_framework.gemspec
index 6ccd3d8..769cae5 100644
--- a/functions_framework.gemspec
+++ b/functions_framework.gemspec
@@ -46,6 +46,7 @@ version = ::FunctionsFramework::VERSION
 
   spec.required_ruby_version = ">= 3.1.0"
   spec.add_dependency "cloud_events", ">= 0.7.0", "< 2.a"
+  spec.add_dependency "logger", "~> 1.7"
   spec.add_dependency "puma", ">= 4.3.0", "< 7.a"
   spec.add_dependency "rack", ">= 2.1", "< 4.a"