From a19369b9851ddf9dd4a3304015747219b850980a Mon Sep 17 00:00:00 2001
From: Jeremie Gillet <jie.gillet@gmail.com>
Date: Fri, 12 Jun 2026 14:15:17 +0900
Subject: [PATCH] update to 1.20

---
 .github/workflows/test.yml | 2 +-
 .tool-versions             | 4 ++--
 Dockerfile                 | 4 ++--
 mix.exs                    | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2d96806..61e66c8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     container:
-      image: hexpm/elixir:1.19.4-erlang-28.1-debian-bookworm-20251117
+      image: hexpm/elixir:1.20.1-erlang-29.0-debian-bookworm-20260610
 
     steps:
       - name: Install git & jq
diff --git a/.tool-versions b/.tool-versions
index 078af8b..ce199e5 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.19.4-otp-28
-erlang 28.1
+elixir 1.20.1-otp-29
+erlang 29.0.2
diff --git a/Dockerfile b/Dockerfile
index 57fc014..219c1b5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM hexpm/elixir:1.19.4-erlang-28.1-debian-bookworm-20251117 AS builder
+FROM hexpm/elixir:1.20.1-erlang-29.0-debian-bookworm-20260610 AS builder
 
 # Install SSL ca certificates
 RUN apt-get update && \
@@ -14,7 +14,7 @@ COPY . .
 # Builds an escript bin/elixir_representer
 RUN ./bin/build.sh
 
-FROM hexpm/elixir:1.19.4-erlang-28.1-debian-bookworm-20251117
+FROM hexpm/elixir:1.20.1-erlang-29.0-debian-bookworm-20260610
 COPY --from=builder /etc/passwd /etc/passwd
 COPY --from=builder /elixir-representer/bin /opt/representer/bin
 RUN apt-get update && \
diff --git a/mix.exs b/mix.exs
index ee30e2b..c4cdcf9 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Representer.MixProject do
     [
       app: :representer,
       version: "0.1.0",
-      elixir: "~> 1.19",
+      elixir: "~> 1.20",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       escript: escript()