diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3888e1b3..2d76e256 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,8 +23,9 @@ jobs:
         include:
           # Newest supported Elixir/Erlang pair.
           - elixir: '1.19.3-otp-28'
-            otp: '28.0'
+            otp: '28.1'
             lint: false
+            dialyzer: true
             os: ubuntu-latest
 
           - elixir: '1.18.4-otp-27'
@@ -35,7 +36,6 @@ jobs:
           - elixir: '1.18'
             otp: '27.2'
             lint: true
-            dialyzer: true
             os: ubuntu-latest
 
           # One version before the last supported one.