diff --git a/dev.yml b/dev.yml
index d24834164..dd8468fa0 100644
--- a/dev.yml
+++ b/dev.yml
@@ -3,7 +3,7 @@ name: tapioca
 type: ruby
 
 up:
-  - ruby: '3.1'
+  - ruby: '3.1.2'
   - bundler
 
 env: