diff --git a/Gemfile b/Gemfile
index b4643a9a..b98bdcc4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gemspec
 group :development do
   gem "minitest", "5.25.4"
 
-  gem "rake-compiler", "1.2.8"
+  gem "rake-compiler", "1.2.9"
   gem "rake-compiler-dock", "1.7.0"
 
   gem "ruby_memcheck", "3.0.0" if Gem::Platform.local.os == "linux"