diff --git a/.gitignore b/.gitignore
index bb75ce640..742acd7ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,8 @@ coverage
 .env
 *.log
 .idea
-.vscode
+.vscode/*
+!.vscode/extensions.json
 *.suo
 *.lock
 src/utils/vendor/
diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 000000000..0bf69662e
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1 @@
+bun 1.3.13
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 000000000..e5e0c4fc7
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,8 @@
+{
+  "recommendations": [
+    "biomejs.biome",
+    "ms-typescript.typescript",
+    "oven.bun-vscode",
+    "editorconfig.editorconfig"
+  ]
+}
diff --git a/package.json b/package.json
index 2b3c83487..b8f55d863 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "repl"
   ],
   "engines": {
-    "bun": ">=1.2.0"
+    "bun": ">=1.3.0"
   },
   "bin": {
     "ccb": "dist/cli-node.js",