diff --git a/package.json b/package.json
index 1a7a6f49..955dce86 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "dist/"
   ],
   "scripts": {
-    "build": "rollup --config --sourcemap",
+    "build": "rollup --config",
     "prepare": "npm run build",
     "test": "mocha --timeout 120000 test/unittests.js",
     "start": "http-server",
diff --git a/rollup.config.js b/rollup.config.js
index ec22a8d6..5a668d9e 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -28,9 +28,9 @@ export default [
     input: 'src/index.js',
     output: [
       { file: 'dist/openpgp.js', format: 'iife', name: pkg.name, banner, intro },
-      { file: 'dist/openpgp.min.js', format: 'iife', name: pkg.name, banner, intro, plugins: [terser(terserOptions)] },
+      { file: 'dist/openpgp.min.js', format: 'iife', name: pkg.name, banner, intro, plugins: [terser(terserOptions)], sourcemap: true },
       { file: 'dist/openpgp.mjs', format: 'es', banner, intro },
-      { file: 'dist/openpgp.min.mjs', format: 'es', banner, intro, plugins: [terser(terserOptions)] }
+      { file: 'dist/openpgp.min.mjs', format: 'es', banner, intro, plugins: [terser(terserOptions)], sourcemap: true }
     ],
     inlineDynamicImports: true,
     plugins: [
@@ -53,9 +53,9 @@ export default [
     external: builtinModules.concat(nodeDependencies),
     output: [
       { file: 'dist/node/openpgp.js', format: 'cjs', name: pkg.name, banner, intro },
-      { file: 'dist/node/openpgp.min.js', format: 'cjs', name: pkg.name, banner, intro, plugins: [terser(terserOptions)] },
+      { file: 'dist/node/openpgp.min.js', format: 'cjs', name: pkg.name, banner, intro, plugins: [terser(terserOptions)], sourcemap: true },
       { file: 'dist/node/openpgp.mjs', format: 'es', banner, intro },
-      { file: 'dist/node/openpgp.min.mjs', format: 'es', banner, intro, plugins: [terser(terserOptions)] }
+      { file: 'dist/node/openpgp.min.mjs', format: 'es', banner, intro, plugins: [terser(terserOptions)], sourcemap: true }
     ],
     plugins: [
       resolve(),
@@ -69,7 +69,7 @@ export default [
     input: 'src/index.js',
     output: [
       { dir: 'dist/lightweight', entryFileNames: 'openpgp.mjs', chunkFileNames: '[name].mjs', format: 'es', banner, intro },
-      { dir: 'dist/lightweight', entryFileNames: 'openpgp.min.mjs', chunkFileNames: '[name].min.mjs', format: 'es', banner, intro, plugins: [terser(terserOptions)] }
+      { dir: 'dist/lightweight', entryFileNames: 'openpgp.min.mjs', chunkFileNames: '[name].min.mjs', format: 'es', banner, intro, plugins: [terser(terserOptions)], sourcemap: true }
     ],
     preserveEntrySignatures: 'allow-extension',
     plugins: [
@@ -89,7 +89,7 @@ export default [
   {
     input: 'test/unittests.js',
     output: [
-      { file: 'test/lib/unittests-bundle.js', format: 'es' },
+      { file: 'test/lib/unittests-bundle.js', format: 'es', sourcemap: true },
     ],
     plugins: [
       resolve({