diff --git a/.tool-versions b/.tool-versions
index d8df7710..2e558111 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.17.3-otp-27
+elixir 1.18.0-otp-27
 erlang 27.1.2
diff --git a/Dockerfile b/Dockerfile
index e584bd80..fc9beb66 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@
 #   - https://pkgs.org/ - resource for finding needed packages
 #   - Ex: hexpm/elixir:1.17.2-erlang-27.1-debian-bullseye-20240904-slim
 #
-ARG ELIXIR_VERSION=1.17.3
+ARG ELIXIR_VERSION=1.18.0
 ARG OTP_VERSION=27.1.2
 ARG DEBIAN_VERSION=bullseye-20241016-slim