diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 532361d..3f99443 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        otp_version: [24, 25, 26]
+        otp_version: [24, 25, 26, v27.0-rc1]
         os: [ubuntu-latest]
 
     container: