diff --git a/Dockerfile b/Dockerfile
index 26b99d2c..dc90cfd9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@
 #   - Ex: hexpm/elixir:1.17.2-erlang-27.1-debian-bullseye-20240904-slim
 #
 ARG ELIXIR_VERSION=1.20.0-rc.4
-ARG OTP_VERSION=28.4.3
+ARG OTP_VERSION=28.5
 ARG DEBIAN_VERSION=trixie-20260421-slim
 
 ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
diff --git a/mise.toml b/mise.toml
index edde735e..094c3bd0 100644
--- a/mise.toml
+++ b/mise.toml
@@ -19,7 +19,7 @@ HURL_coolify_token = 'change-me'
 
 [tools]
 elixir = "1.20.0-rc.4-otp-28"
-erlang = "28.4.3"
+erlang = "28.5"
 node = "25.9.0"
 hurl = 'latest'
 sqlite = 'latest'