diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3adecb0..2f06e01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Don't include dependencies source code in build
 - (dev) Move wrappers (+shorthand) to a dedicated file
 
 ## [2.2.1]
diff --git a/rollup.config.js b/rollup.config.js
index a721c92..4ede6cb 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,5 +1,3 @@
-import commonjs from "@rollup/plugin-commonjs"
-import resolve from "@rollup/plugin-node-resolve"
 import sucrase from "@rollup/plugin-sucrase"
 import { terser } from "rollup-plugin-terser"
 
@@ -10,22 +8,31 @@ const name = pkg.name
   .replace(/^\w/, (m) => m.toUpperCase())
   .replace(/-\w/g, (m) => m[1].toUpperCase())
 
+const packageDependencies = [...Object.keys(pkg.dependencies), "sjcl-codec-hex/from-bits", "sjcl-codec-hex/to-bits"]
+const packageDependenciesGlobals = Object.fromEntries(
+  packageDependencies.map((name) => {
+    return [
+      name,
+      name
+        .replace(/^(@\S+\/)/, "") // Remove package scope
+        .replace(/[^a-z0-9]([a-z0-9])/gi, (_, arg) => arg.toUpperCase()) // Replace '-', '_' and '/'
+        .replace(/[^a-z0-9]/gi, ""), // Remove anything that is not a letter or number
+    ]
+  })
+)
 const config = () => ({
   input: "src/index.ts",
   output: [
     { file: pkg.module, format: "es", name },
-    { file: pkg.main, format: "umd", name },
+    { file: pkg.main, format: "umd", name, globals: packageDependenciesGlobals },
   ],
+  external: packageDependencies,
   plugins: [
     sucrase({
       exclude: ["dist/*"],
       include: ["src/*"],
       transforms: ["typescript"],
     }),
-    commonjs({}),
-    resolve({
-      extensions: [".mjs", ".js", ".json", ".node", ".ts"],
-    }),
     terser(),
   ],
 })