diff --git a/.github/workflows/test-subprojects.yml b/.github/workflows/test-subprojects.yml
index 01027d3c7..3265e0606 100644
--- a/.github/workflows/test-subprojects.yml
+++ b/.github/workflows/test-subprojects.yml
@@ -30,8 +30,8 @@ jobs:
             { org: "team-alembic", name: "ash_authentication_phoenix" },
             { org: "sevenseacat", name: "tunez" }
           ]
-        otp: ["26.0.2"]
-        elixir: ["1.16.0"]
+        otp: ["27.2"]
+        elixir: ["1.18.1"]
     services:
       pg:
         image: postgres:16