diff --git a/Dockerfile b/Dockerfile
index fee5159..9a4c959 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.14-slim as build
+FROM elixir:1.13.3-slim as build
 
 # Install deps
 RUN set -xe; \