diff --git a/.tool-versions b/.tool-versions
index 5aaf93a..b7c4c5b 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.15.8-otp-26
-erlang 26.2.1
+elixir 1.17.2-otp-27
+erlang 27.0.1