diff --git a/Gemfile b/Gemfile
index bfb005dc..dffa567d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,4 +7,4 @@ gem("rake-compiler", "1.2.5")
 gem("rake-compiler-dock", "1.3.1")
 gem("rdoc", "6.5.0")
 
-gem("ruby_memcheck", "2.2.0") if Gem::Platform.local.os == "linux"
+gem("ruby_memcheck", "2.2.1") if Gem::Platform.local.os == "linux"