diff --git a/.tool-versions b/.tool-versions
index 893763e92..dfca235f5 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
-erlang 28.5
+erlang 29.0
 elixir 1.19.5
 bun 1.3.13
diff --git a/Dockerfile b/Dockerfile
index 52d42d601..ce584fdd6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@
 # renovate: datasource=github-tags depName=elixir packageName=elixir-lang/elixir versioning=semver
 ARG ELIXIR_VERSION=1.19.5
 # renovate: datasource=github-tags depName=erlang packageName=erlang/otp versioning=regex:^(?<major>\d+?)\.(?<minor>\d+?)(\.(?<patch>\d+))?$ extractVersion=^OTP-(?<version>\S+)
-ARG OTP_VERSION=28.5
+ARG OTP_VERSION=29.0
 # renovate: datasource=docker depName=ubuntu packageName=ubuntu versioning=ubuntu
 ARG UBUNTU_VERSION=noble-20260410
 # renovate: datasource=github-tags depName=bun packageName=oven-sh/bun versioning=semver extractVersion=^bun-v(?<version>\S+)