diff --git a/.tool-versions b/.tool-versions
index cbe11b5..b519dc0 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
 elixir 1.18.3-otp-27
-erlang 27.3
+erlang 27.3.4
 just 1.40.0