diff --git a/gapic/packaging/dependencies.yaml b/gapic/packaging/dependencies.yaml
index 3cefec0d..23870cd1 100644
--- a/gapic/packaging/dependencies.yaml
+++ b/gapic/packaging/dependencies.yaml
@@ -45,7 +45,7 @@ gax_version:
   php:
     lower: '0.7.*'
   ruby:
-    lower: '0.7.0'
+    lower: '0.8.0'
 
 proto_version:
   python: