diff --git a/bin/cli.js b/bin/cli.js
index 27553900d..6586ee9cf 100755
--- a/bin/cli.js
+++ b/bin/cli.js
@@ -4,7 +4,7 @@ const fs = require('fs')
 const os = require('os')
 const stream = require('stream')
 
-const opn = require('opn')
+const open = require('open')
 
 const helpString = `Usage: speedscope [filepath]
 
@@ -89,7 +89,11 @@ async function main() {
 
   console.log('Opening', urlToOpen, 'in your default browser')
 
-  await opn(urlToOpen, {wait: false})
+  // We'd like to avoid blocking the terminal on the browsing closing,
+  // but for some reason this doesn't work at all on Windows if we
+  // don't use wait: true.
+  const wait = process.platform === "win32";
+  await open(urlToOpen, {wait})
 }
 
 main()
diff --git a/package-lock.json b/package-lock.json
index 192a15f57..21fe93a2b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "speedscope",
-  "version": "1.5.3",
+  "version": "1.9.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -6249,6 +6249,11 @@
       "integrity": "sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE=",
       "dev": true
     },
+    "is-docker": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.1.1.tgz",
+      "integrity": "sha512-ZOoqiXfEwtGknTiuDEy8pN2CfE3TxMHprvNer1mXiqwkOT77Rw3YVrUQ52EqAOU3QAWDQ+bQdx7HJzrv7LS2Hw=="
+    },
     "is-extendable": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
@@ -6397,7 +6402,8 @@
     "is-wsl": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-1.1.0.tgz",
-      "integrity": "sha1-HxbkqiKwTRM2tmGIpmrzxgDDpm0="
+      "integrity": "sha1-HxbkqiKwTRM2tmGIpmrzxgDDpm0=",
+      "dev": true
     },
     "isarray": {
       "version": "1.0.0",
@@ -8139,10 +8145,30 @@
         "mimic-fn": "^1.0.0"
       }
     },
+    "open": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/open/-/open-7.2.0.tgz",
+      "integrity": "sha512-4HeyhxCvBTI5uBePsAdi55C5fmqnWZ2e2MlmvWi5KW5tdH5rxoiv/aMtbeVxKZc3eWkT1GymMnLG8XC4Rq4TDQ==",
+      "requires": {
+        "is-docker": "^2.0.0",
+        "is-wsl": "^2.1.1"
+      },
+      "dependencies": {
+        "is-wsl": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.2.0.tgz",
+          "integrity": "sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==",
+          "requires": {
+            "is-docker": "^2.0.0"
+          }
+        }
+      }
+    },
     "opn": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/opn/-/opn-5.3.0.tgz",
       "integrity": "sha512-bYJHo/LOmoTd+pfiYhfZDnf9zekVJrY+cnS2a5F2x+w5ppvTqObojTP7WiFG+kVZs9Inw+qQ/lw7TroWwhdd2g==",
+      "dev": true,
       "requires": {
         "is-wsl": "^1.1.0"
       }
diff --git a/package.json b/package.json
index 9ccf4853e..262d18ac3 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     ]
   },
   "dependencies": {
-    "opn": "5.3.0",
+    "open": "7.2.0",
     "react": "^16.13.1"
   }
 }