diff --git a/package/ruby/ruby.mk b/package/ruby/ruby.mk
index a9668e36f1..5d5a34c096 100644
--- a/package/ruby/ruby.mk
+++ b/package/ruby/ruby.mk
@@ -6,7 +6,7 @@
 
 RUBY_VERSION_MAJOR = 4.0
 RUBY_VERSION = $(RUBY_VERSION_MAJOR).1
-RUBY_VERSION_EXT = 4.0.1
+RUBY_VERSION_EXT = 4.0.0
 RUBY_SITE = http://cache.ruby-lang.org/pub/ruby/$(RUBY_VERSION_MAJOR)
 RUBY_SOURCE = ruby-$(RUBY_VERSION).tar.xz