diff --git a/.tool-versions b/.tool-versions
index b7c4c5b..ad645eb 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.17.2-otp-27
+elixir 1.18.0-rc.0-otp-27
 erlang 27.0.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c664b5..7a855c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+**Fixed**
+
+- Elixir 1.18 compilation warnings. ([#281](https://github.com/codedge-llc/pigeon/pull/281))
+
 ## v2.0.0
 
 No additional changes since v2.0.0-rc.3. Stable release.