diff --git a/Dockerfile b/Dockerfile
index 87df06a..96a02a1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.18-slim as build
+FROM elixir:1.18.2-slim as build
 
 # Install deps
 RUN set -xe; \