diff --git a/.tool-versions b/.tool-versions
index 7c2a8b99..8c557c8d 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,3 +1,3 @@
 elixir 1.19.4-otp-28
-erlang 28.2
+erlang 28.3
 nodejs 24.10.0
diff --git a/Dockerfile b/Dockerfile
index b21d00ae..d2d67846 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,8 @@
 #   - Ex: hexpm/elixir:1.17.2-erlang-27.1-debian-bullseye-20240904-slim
 #
 ARG ELIXIR_VERSION=1.19.4
-ARG OTP_VERSION=28.2
-ARG DEBIAN_VERSION=trixie-20251117-slim
+ARG OTP_VERSION=28.3
+ARG DEBIAN_VERSION=trixie-20251208-slim
 
 ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
 ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"