From 850df5f5a88b452dae74c96695b7f2dd8f4e7faf Mon Sep 17 00:00:00 2001
From: Olivier Nzia <olivier.ndjikenzia@datadoghq.com>
Date: Wed, 21 Oct 2026 13:42:48 -0400
Subject: [PATCH] pin multi_json

---
 Dockerfile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index fd7687f..24f8d31 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,6 +41,10 @@ RUN gem uninstall ffi --all --ignore-dependencies --executables --force \
 RUN MAKEFLAGS="-j$(nproc)" \
     gem install ffi --platform ruby --install-dir "/opt/ruby/gems/$runtime" --no-document
 
+# Pin multi_json floor
+RUN MAKEFLAGS="-j$(nproc)" \
+    gem install multi_json -v '>= 1.21.2' --install-dir "/opt/ruby/gems/$runtime" --no-document
+
 WORKDIR /opt
 # Remove native extension debase-ruby_core_source (25MB) runtimes below Ruby 2.6
 RUN rm -rf ./ruby/gems/$runtime/gems/debase-ruby_core_source*/