diff --git a/implementations/javascript/package.json b/implementations/javascript/package.json
index db3bc38..d1c7af7 100644
--- a/implementations/javascript/package.json
+++ b/implementations/javascript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "preserves",
-  "version": "0.5.3",
+  "version": "0.6.0",
   "description": "Experimental data serialization format",
   "homepage": "https://gitlab.com/preserves/preserves",
   "license": "Apache-2.0",
@@ -15,11 +15,11 @@
   "devDependencies": {
     "@types/jest": "^26.0.19",
     "jest": "^26.6.3",
-    "rollup": "^2.36.1",
+    "rollup": "^2.40.0",
     "rollup-plugin-terser": "^7.0.2",
-    "ts-jest": "^26.4.4",
-    "ts-node-dev": "^1.1.1",
-    "typescript": "^4.1.3"
+    "ts-jest": "^26.5.2",
+    "ts-node-dev": "^1.1.6",
+    "typescript": "^4.2.2"
   },
   "scripts": {
     "clean": "rm -rf lib dist",