diff --git a/src/ruby/.devcontainer/devcontainer.json b/src/ruby/.devcontainer/devcontainer.json
index eead7386..3f642645 100644
--- a/src/ruby/.devcontainer/devcontainer.json
+++ b/src/ruby/.devcontainer/devcontainer.json
@@ -3,7 +3,7 @@
 {
 	"name": "Ruby",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/ruby:2-${templateOption:imageVariant}"
+	"image": "mcr.microsoft.com/devcontainers/ruby:3-${templateOption:imageVariant}"
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},