diff --git a/Gemfile b/Gemfile
index 688991b3..1568120e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ group :development do
   gem "minitest", "5.23.1"
 
   gem "rake-compiler", "1.2.7"
-  gem "rake-compiler-dock", "1.5.0"
+  gem "rake-compiler-dock", "1.5.1"
 
   gem "ruby_memcheck", "3.0.0" if Gem::Platform.local.os == "linux"