diff --git a/pkgs/development/ruby-modules/with-packages/test.nix b/pkgs/development/ruby-modules/with-packages/test.nix
index 73f8f02b27b3..dc1da3de4924 100644
--- a/pkgs/development/ruby-modules/with-packages/test.nix
+++ b/pkgs/development/ruby-modules/with-packages/test.nix
@@ -9,6 +9,7 @@ let
     ruby_2_4
     ruby_2_5
     ruby_2_6
+    ruby_2_7
   ];
 
   gemTests =