diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 57ed3b3a..9ba4b16d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,8 +16,16 @@ jobs:
         elixir:
           - 1.17.x
         include:
-          - otp: master
-            elixir: main
+          - elixir: main
+            otp: master
+          - elixir: 1.16.x
+            otp: 26.x
+          - elixir: 1.15.x
+            otp: 26.x
+          - elixir: 1.14.x
+            otp: 25.x
+          - elixir: 1.13.x
+            otp: 24.x
 
     steps:
       - name: Set up Erlang and Elixir