diff --git a/lib/index.js b/lib/index.js
index 02f5bc7..656248e 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,5 +1,7 @@
 "use strict";
 
+require(`setimmediate`);
+
 // An order represents a pending push or shift.
 const Order = channel => {
   let order;
diff --git a/package-lock.json b/package-lock.json
index 67809fc..94af3f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2917,6 +2917,11 @@
       "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
       "dev": true
     },
+    "setimmediate": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+      "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
+    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
diff --git a/package.json b/package.json
index 1d76785..b0ca1e8 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,9 @@
   "bugs": {
     "url": "https://github.com/NodeGuy/channel/issues"
   },
-  "dependencies": {},
+  "dependencies": {
+    "setimmediate": "1.0.5"
+  },
   "devDependencies": {
     "@nodeguy/assert": "0.1.4",
     "eslint": "4.12.1",