diff --git a/elixir/Dockerfile b/elixir/Dockerfile
index 0b8c740af72..ee91cb6af60 100644
--- a/elixir/Dockerfile
+++ b/elixir/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.14-slim AS build
+FROM elixir:1.15 AS build
 
 # Update system deps
 RUN apt-get -qq update
diff --git a/elixir/config.yaml b/elixir/config.yaml
index e9da8ff4163..256461ed024 100644
--- a/elixir/config.yaml
+++ b/elixir/config.yaml
@@ -1,5 +1,5 @@
 language:
-  version: 1.14
+  version: 1.15
   files:
     - "**/*.ex"
     - "**/*.exs"