diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index 2039892..aa60300 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -8,7 +8,7 @@ jobs:
         erlang:
           - '26.2'
         elixir:
-          - '1.16.3'
+          - '1.15.8'
         rmqref:
           - v3.13.x
     steps: