diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 46585b205..815780cf6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        otp: ['20.0', '25', '26']
+        otp: ['20.0', '25', '26', '27.0-rc1']
     runs-on: ubuntu-20.04
     services:
       redis: