diff --git a/scripts/bump-version.sh b/scripts/bump-version.sh
new file mode 100755
index 00000000..33ad2e9d
--- /dev/null
+++ b/scripts/bump-version.sh
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [[ $# -ne 1 ]]; then
+    echo "Usage: $0 <version>"
+    echo "Example: $0 1.2.0"
+    exit 1
+fi
+
+VERSION="$1"
+
+# Validate version format (basic semver check)
+if ! [[ "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
+    echo "Error: Invalid version format. Expected semver (e.g., 1.2.0 or 1.2.0-beta.1)"
+    exit 1
+fi
+
+# Check for jq
+if ! command -v jq &> /dev/null; then
+    echo "Error: jq is required but not installed."
+    exit 1
+fi
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(dirname "$SCRIPT_DIR")"
+
+# Package.json files to update (relative to root)
+PACKAGE_FILES=(
+    "package.json"
+    "server/package.json"
+    "shared/package.json"
+    "types/package.json"
+    "web/package.json"
+)
+
+echo "Updating version to $VERSION in all package.json files..."
+
+for file in "${PACKAGE_FILES[@]}"; do
+    filepath="$ROOT_DIR/$file"
+    if [[ -f "$filepath" ]]; then
+        tmp=$(mktemp)
+        jq --arg version "$VERSION" '.version = $version' "$filepath" > "$tmp"
+        mv "$tmp" "$filepath"
+        echo "  Updated $file"
+    else
+        echo "  Warning: $file not found, skipping"
+    fi
+done
+
+echo ""
+echo "Committing changes..."
+
+cd "$ROOT_DIR"
+git add "${PACKAGE_FILES[@]}"
+git commit -m "chore: bump version to $VERSION"
+
+echo ""
+echo "Done! Version bumped to $VERSION and committed."