diff --git a/.tool-versions b/.tool-versions
index 6fbf0f9..ff3098f 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-erlang 28.3
+erlang 28.5
 elixir 1.19.5-otp-28
 #elixir 1.20.0-rc.1-otp-28