diff --git a/@tracerbench/spawn-chrome/package.json b/@tracerbench/spawn-chrome/package.json
index df3e4a1..414913d 100644
--- a/@tracerbench/spawn-chrome/package.json
+++ b/@tracerbench/spawn-chrome/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tracerbench/spawn-chrome",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "license": "BSD-2-Clause",
   "author": "Kris Selden <kris.selden@gmail.com>",
   "files": [
@@ -16,7 +16,7 @@
     "prepare": "yarn run build"
   },
   "dependencies": {
-    "@tracerbench/spawn": "^1.0.0-beta.3",
+    "@tracerbench/spawn": "^1.0.0-beta.4",
     "tmp": "^0.1.0"
   },
   "devDependencies": {
diff --git a/@tracerbench/spawn/package.json b/@tracerbench/spawn/package.json
index 2288f33..8cb7452 100644
--- a/@tracerbench/spawn/package.json
+++ b/@tracerbench/spawn/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tracerbench/spawn",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "description": "High level spawn API for spawning process with a connection to the DevTools protocol.",
   "license": "BSD-2-Clause",
   "author": "Kris Selden <kris.selden@gmail.com>",
diff --git a/chrome-debugging-client/package.json b/chrome-debugging-client/package.json
index 197c585..1399a4e 100644
--- a/chrome-debugging-client/package.json
+++ b/chrome-debugging-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "chrome-debugging-client",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "description": "An async/await friendly Chrome debugging client with TypeScript support",
   "license": "BSD-2-Clause",
   "author": "Kris Selden <kris.selden@gmail.com>",
@@ -19,8 +19,8 @@
     "@tracerbench/find-chrome": "1.0.0-beta.1",
     "@tracerbench/message-transport": "^1.0.0-beta.2",
     "@tracerbench/protocol-connection": "^1.0.0-beta.2",
-    "@tracerbench/spawn": "^1.0.0-beta.3",
-    "@tracerbench/spawn-chrome": "^1.0.0-beta.3",
+    "@tracerbench/spawn": "^1.0.0-beta.4",
+    "@tracerbench/spawn-chrome": "^1.0.0-beta.4",
     "@tracerbench/websocket-message-transport": "^1.0.0-beta.2",
     "debug": "^4.1.1"
   },
diff --git a/lerna.json b/lerna.json
index 62701c3..cf6f7f0 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,5 +1,5 @@
 {
   "useWorkspaces": true,
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "npmClient": "yarn"
 }
diff --git a/test/package.json b/test/package.json
index 7739776..dd39e5a 100644
--- a/test/package.json
+++ b/test/package.json
@@ -1,6 +1,6 @@
 {
   "name": "chrome-debugging-client-test",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "private": true,
   "scripts": {
     "prepare": "tsc",
@@ -10,7 +10,7 @@
     "@types/debug": "^4.1.4",
     "@types/node": "^12.0.4",
     "@types/qunit": "^2.9.0",
-    "chrome-debugging-client": "^1.0.0-beta.3",
+    "chrome-debugging-client": "^1.0.0-beta.4",
     "devtools-protocol": "0.0.665395",
     "qunit": "^2.9.1"
   },