diff --git a/.tool-versions b/.tool-versions
index 1facfb6..c8aa3ab 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-erlang 27.3.4
+erlang 28.3.1
 elixir 1.18.4
 pipx 1.8.0