diff --git a/.drone.yml b/.drone.yml
index ac33959..05045c2 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,7 +9,7 @@ trigger:
 
 steps:
   - name: database healthcheck
-    image: &postgres 'postgres:17.4-alpine'
+    image: &postgres 'postgres:17.5-alpine'
     environment:
       PGUSER: &db_user postgres
       PGPASSWORD: &db_pass postgres
@@ -44,7 +44,7 @@ steps:
         path: /drone/src/deps
 
   - name: dependencies and compile
-    image: &elixir 'hexpm/elixir:1.18.3-erlang-27.3.3-debian-bookworm-20250428-slim'
+    image: &elixir 'hexpm/elixir:1.18.3-erlang-27.3.4-debian-bookworm-20250428-slim'
     commands:
       - apt-get update
       - apt-get install -y git make
diff --git a/Dockerfile b/Dockerfile
index 278734e..d1a8951 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ARG ELIXIR_VERSION=1.18.3
-ARG OTP_VERSION=27.3.3
+ARG OTP_VERSION=27.3.4
 ARG DEBIAN_VERSION=bookworm-20250428-slim
 ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
 ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"