2 files changed, 3 insertions, 3 deletions
diff --git a/Gemfile b/Gemfile
index efc9dee..69425db 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source 'https://rubygems.org'
+source 'https://gem.coop'
 gem 'asciidoctor'
 gem 'asciidoctor-pdf'
 gem 'asciidoctor-epub3'
diff --git a/Makefile b/Makefile
index 53f7122..ae5e509 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,8 @@
 # Use this Makefile to generate the Willora Guide.
 #
 
-BUNDLE?=	bundle33
-RUBY?=		ruby33
+BUNDLE?=	bundle
+RUBY?=		ruby
 
 SECTIONS=	# defined
 SECTIONS+=	guide/hello.adoc