diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b09bfc9..a9d758e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,8 @@ jobs:
 
     strategy:
       matrix:
-        otp: [23.x]
-        elixir: [1.9.x, 1.11.x]
+        otp: [23.x, 24.x]
+        elixir: [1.10.x, 1.12.x]
 
     steps:
     - uses: actions/checkout@v2