diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 9eb2d2e..89433ae 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -2,7 +2,7 @@ on: push
 
 env:
   OTP_VERSION: "26"
-  ELIXIR_VERSION: "1.16"
+  ELIXIR_VERSION: "1.18"
 
 jobs:
   test:
diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000..9fd3e39
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1 @@
+elixir 1.18.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71ae4e6..1de673c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 0.1.4 [2025-02-27]
+
+- [Upgrade] Updated Elixir requirement from 1.15 to 1.18.
+
 ## 0.1.3 [2024-08-20]
 
 - [Bug Fix] Wildcard node naming now ensures matching nodes starts with `wildcard@`.
@@ -14,4 +18,4 @@
 
 ## 0.1.0 [2024-03-31]
 
-- [New Feature] Added `Relix.RPC`.
+- [New Feature] Added `Relix.RPC`.
\ No newline at end of file
diff --git a/mix.exs b/mix.exs
index b538719..02be46e 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,8 +4,8 @@ defmodule Relix.MixProject do
   def project do
     [
       app: :relix,
-      version: "0.1.2",
-      elixir: "~> 1.15",
+      version: "0.1.3",
+      elixir: "~> 1.17",
       start_permanent: Mix.env() == :prod,
       deps: deps()
     ]