diff --git a/.tool-versions b/.tool-versions
index 09f12b1..43e9701 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
 elixir 1.18.3-otp-27
-erlang 27.3.2
+erlang 27.3.4
diff --git a/Dockerfile b/Dockerfile
index 603cc35..ae45180 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,8 +14,8 @@
 #   - Ex: hexpm/elixir:1.15.4-erlang-26.0.2-debian-bullseye-20230612-slim
 #
 ARG ELIXIR_VERSION=1.18.3
-ARG OTP_VERSION=27.3.2
-ARG DEBIAN_VERSION=bullseye-20250407-slim
+ARG OTP_VERSION=27.3.4
+ARG DEBIAN_VERSION=bullseye-20250428-slim
 
 ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
 ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"