diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8221b19d..58b1aca8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         otp: [24.x, 25.x]
-        elixir: [1.13.x, 1.14.x]
+        elixir: [1.13.x, 1.14.x, 1.15.x]
 
     steps:
       - uses: actions/checkout@v2