diff --git a/CMakeLists.txt b/CMakeLists.txt
index 60ea1fd..aa274df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -276,7 +276,7 @@ source_group("Embedded Source" FILES ${EMBEDDED_INPUT} ${EMBEDDED_SOURCE})
 ## Setup binding source ##
 
 if (BINDING STREQUAL "MRI")
-	set(MRIVERSION "2.0" CACHE STRING "Version of MRI to link with")
+	set(MRIVERSION "2.1" CACHE STRING "Version of MRI to link with")
 	pkg_check_modules(MRI REQUIRED ruby-${MRIVERSION})
 	list(APPEND DEFINES
 		BINDING_MRI