diff --git a/.drone.yml b/.drone.yml
index a3aacfe..9e45503 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -44,7 +44,7 @@ steps:
         path: /drone/src/deps
 
   - name: dependencies and compile
-    image: &elixir 'hexpm/elixir:1.17.2-erlang-27.0-debian-bookworm-20240701-slim'
+    image: &elixir 'hexpm/elixir:1.17.2-erlang-27.0.1-debian-bookworm-20240701-slim'
     commands:
       - apt-get update
       - apt-get install -y git make
diff --git a/.tool-versions b/.tool-versions
index d6b59dd..ce0360e 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-erlang 27.0
+erlang 27.0.1
 elixir 1.17.2-otp-27
diff --git a/Dockerfile b/Dockerfile
index e1e44aa..f0578c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM hexpm/elixir:1.17.2-erlang-27.0-debian-bookworm-20240701-slim AS builder
+FROM hexpm/elixir:1.17.2-erlang-27.0.1-debian-bookworm-20240701-slim AS builder
 
 RUN apt-get update \
   && apt-get -y install git make