diff --git a/docs/tools/Dockerfile.asciidoc b/docs/tools/Dockerfile.asciidoc
index 139fbf5e..e47e96b1 100644
--- a/docs/tools/Dockerfile.asciidoc
+++ b/docs/tools/Dockerfile.asciidoc
@@ -14,7 +14,7 @@ RUN   gem install asciidoctor \
       cd rouge \
       git log -n 1 | cat \
       gem build rouge.gemspec \ 
-      gem install rouge-4.4.0.gem 
+      gem install gem 
 
 VOLUME ["/usr/src/p4-spec"]
 WORKDIR /usr/src/p4-spec