diff --git a/install/1_languages.sh b/install/1_languages.sh
index 1415a20..d4905ba 100755
--- a/install/1_languages.sh
+++ b/install/1_languages.sh
@@ -2,8 +2,8 @@
 
 # ruby
 brew install rbenv # restart terminal, then:
-rbenv install 3.1.0
-rbenv global 3.1.0
+rbenv install 3.1.1
+rbenv global 3.1.1
 
 # node
 curl -L https://git.io/n-install | bash