diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 2cc054b..da3cba0 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -17,6 +17,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - otp: 27
+            elixir: 1.17.3
+          - otp: 26
+            elixir: 1.16.3
           - otp: 26
             elixir: 1.15.4
             lint: true