diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d342a77..ebd5cac 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,6 +26,9 @@ jobs:
           - elixir: '1.16.0'
             otp: '26.2'
             current_version: true
+          - elixir: '1.17.0'
+            otp: '27.0'
+            current_version: true
 
     steps:
       - name: Checkout code
diff --git a/.tool-versions b/.tool-versions
index 000a611..f8bb424 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.16.0-otp-26
-erlang 26.2.1
+elixir 1.17.0-otp-27
+erlang 27.0