diff --git a/.tool-versions b/.tool-versions
index fbb5b4a..543eb36 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,4 @@
-elixir 1.18.3
+elixir 1.18.3-otp-27
 postgres 17.2
 erlang 27.3
 just 1.40.0