diff --git a/Gemfile b/Gemfile
index 5149deae..eedca406 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gemspec
 group :development do
   gem "minitest", "5.21.2"
 
-  gem "rake-compiler", "1.2.5"
+  gem "rake-compiler", "1.2.6"
   gem "rake-compiler-dock", "1.4.0"
 
   gem "ruby_memcheck", "2.3.0" if Gem::Platform.local.os == "linux"