diff --git a/package.json b/package.json
index d194d41e..16c8b5e9 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "npm-run-all": "4.1.5",
     "prettier": "1.19.1",
     "rimraf": "3.0.2",
-    "rollup": "1.32.0",
+    "rollup": "2.0.0",
     "sirv-cli": "0.4.5",
     "typescript": "3.8.3"
   },
diff --git a/src/transform.ts b/src/transform.ts
index b5c803a2..50ebb143 100644
--- a/src/transform.ts
+++ b/src/transform.ts
@@ -16,7 +16,7 @@
 
 import { logTransformChain } from './debug';
 import { TransformInterface, PluginOptions } from './types';
-import { PluginContext, InputOptions, OutputOptions, TransformSourceDescription } from 'rollup';
+import { PluginContext, InputOptions, OutputOptions, SourceDescription } from 'rollup';
 import { Mangle } from './transformers/mangle';
 import { Ebbinghaus } from './transformers/ebbinghaus';
 import * as path from 'path';
@@ -80,7 +80,7 @@ export async function chunkLifecycle(
   method: 'pre' | 'post',
   code: string,
   transforms: Array<ChunkTransform>,
-): Promise<TransformSourceDescription> {
+): Promise<SourceDescription> {
   const log: Array<[string, string]> = [];
   const sourcemaps: Array<RemappingDecodedSourceMap> = [];
   let source = new MagicString(code);
@@ -117,7 +117,7 @@ export async function sourceLifecycle(
   printableName: string,
   code: string,
   transforms: Array<SourceTransform>,
-): Promise<TransformSourceDescription> {
+): Promise<SourceDescription> {
   const fileName = path.basename(id);
   const log: Array<[string, string]> = [];
   const sourcemaps: Array<RemappingDecodedSourceMap> = [];
diff --git a/src/transformers/chunk/transforms.ts b/src/transformers/chunk/transforms.ts
index c7076359..6bdd0c5e 100644
--- a/src/transformers/chunk/transforms.ts
+++ b/src/transformers/chunk/transforms.ts
@@ -14,13 +14,7 @@
  * limitations under the License.
  */
 
-import {
-  OutputOptions,
-  PluginContext,
-  InputOptions,
-  RenderedChunk,
-  TransformSourceDescription,
-} from 'rollup';
+import { OutputOptions, PluginContext, InputOptions, RenderedChunk, SourceDescription } from 'rollup';
 import HashbangRemoveTransform from './hashbang-remove';
 import HashbangApplyTransform from './hashbang-apply';
 import IifeTransform from './iife';
@@ -72,8 +66,7 @@ export function create(
 ): Array<ChunkTransform> {
   const pluginOptions = pluckPluginOptions(requestedCompileOptions);
   return TRANSFORMS.map(
-    transform =>
-      new transform(context, pluginOptions, mangler, memory, inputOptions, outputOptions),
+    transform => new transform(context, pluginOptions, mangler, memory, inputOptions, outputOptions),
   );
 }
 
@@ -88,7 +81,7 @@ export async function preCompilation(
   source: string,
   chunk: RenderedChunk,
   transforms: Array<ChunkTransform>,
-): Promise<TransformSourceDescription> {
+): Promise<SourceDescription> {
   return await chunkLifecycle(chunk.fileName, 'PreCompilation', 'pre', source, transforms);
 }
 
@@ -103,6 +96,6 @@ export async function postCompilation(
   code: string,
   chunk: RenderedChunk,
   transforms: Array<ChunkTransform>,
-): Promise<TransformSourceDescription> {
+): Promise<SourceDescription> {
   return await chunkLifecycle(chunk.fileName, 'PostCompilation', 'post', code, transforms);
 }
diff --git a/src/transformers/source/transforms.ts b/src/transformers/source/transforms.ts
index 7043a145..e725280c 100644
--- a/src/transformers/source/transforms.ts
+++ b/src/transformers/source/transforms.ts
@@ -16,7 +16,7 @@
 
 import { SourceTransform, sourceLifecycle } from '../../transform';
 import { Mangle } from '../mangle';
-import { PluginContext, InputOptions, OutputOptions, TransformSourceDescription } from 'rollup';
+import { PluginContext, InputOptions, OutputOptions, SourceDescription } from 'rollup';
 import { CompileOptions } from 'google-closure-compiler';
 import HashbangTransform from './hashbang';
 import { Ebbinghaus } from '../ebbinghaus';
@@ -43,9 +43,7 @@ export const create = (
   inputOptions: InputOptions,
   outputOptions: OutputOptions,
 ): Array<SourceTransform> =>
-  TRANSFORMS.map(
-    transform => new transform(context, {}, mangler, memory, inputOptions, outputOptions),
-  );
+  TRANSFORMS.map(transform => new transform(context, {}, mangler, memory, inputOptions, outputOptions));
 
 /**
  * Run each transform's `transform` lifecycle.
@@ -57,6 +55,6 @@ export async function transform(
   source: string,
   id: string,
   transforms: Array<SourceTransform>,
-): Promise<TransformSourceDescription> {
+): Promise<SourceDescription> {
   return await sourceLifecycle(id, 'Transform', source, transforms);
 }
diff --git a/test/import/fixtures/utf8-3e9ae737.esm.advanced.js b/test/import/fixtures/utf8-3e9ae737.esm.advanced.js
deleted file mode 100644
index a10dad3f..00000000
--- a/test/import/fixtures/utf8-3e9ae737.esm.advanced.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log("foo");console.log("baz");import("./utf8-lazy-48cd6a70.js");function ɵɵbar(){console.log("bar")};export{ɵɵbar as ɵ}
diff --git a/test/import/fixtures/utf8-3e9ae737.esm.default.js b/test/import/fixtures/utf8-3e9ae737.esm.default.js
deleted file mode 100644
index a10dad3f..00000000
--- a/test/import/fixtures/utf8-3e9ae737.esm.default.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log("foo");console.log("baz");import("./utf8-lazy-48cd6a70.js");function ɵɵbar(){console.log("bar")};export{ɵɵbar as ɵ}
diff --git a/test/import/fixtures/utf8-3e9ae737.esm.es5.js b/test/import/fixtures/utf8-3e9ae737.esm.es5.js
deleted file mode 100644
index a10dad3f..00000000
--- a/test/import/fixtures/utf8-3e9ae737.esm.es5.js
+++ /dev/null
@@ -1 +0,0 @@
-console.log("foo");console.log("baz");import("./utf8-lazy-48cd6a70.js");function ɵɵbar(){console.log("bar")};export{ɵɵbar as ɵ}
diff --git a/test/import/fixtures/utf8-41b27160.esm.advanced.js b/test/import/fixtures/utf8-41b27160.esm.advanced.js
new file mode 100644
index 00000000..de1f4094
--- /dev/null
+++ b/test/import/fixtures/utf8-41b27160.esm.advanced.js
@@ -0,0 +1 @@
+console.log("foo");console.log("baz");import("./utf8-lazy-527020b7.js");function ɵɵbar(){console.log("bar")};export{ɵɵbar as ɵ}
diff --git a/test/import/fixtures/utf8-41b27160.esm.default.js b/test/import/fixtures/utf8-41b27160.esm.default.js
new file mode 100644
index 00000000..de1f4094
--- /dev/null
+++ b/test/import/fixtures/utf8-41b27160.esm.default.js
@@ -0,0 +1 @@
+console.log("foo");console.log("baz");import("./utf8-lazy-527020b7.js");function ɵɵbar(){console.log("bar")};export{ɵɵbar as ɵ}
diff --git a/test/import/fixtures/utf8-41b27160.esm.es5.js b/test/import/fixtures/utf8-41b27160.esm.es5.js
new file mode 100644
index 00000000..de1f4094
--- /dev/null
+++ b/test/import/fixtures/utf8-41b27160.esm.es5.js
@@ -0,0 +1 @@
+console.log("foo");console.log("baz");import("./utf8-lazy-527020b7.js");function ɵɵbar(){console.log("bar")};export{ɵɵbar as ɵ}
diff --git a/test/import/fixtures/utf8-3e9ae737.esm.pretty.js b/test/import/fixtures/utf8-41b27160.esm.pretty.js
similarity index 75%
rename from test/import/fixtures/utf8-3e9ae737.esm.pretty.js
rename to test/import/fixtures/utf8-41b27160.esm.pretty.js
index ee6133db..9cfb5ac1 100644
--- a/test/import/fixtures/utf8-3e9ae737.esm.pretty.js
+++ b/test/import/fixtures/utf8-41b27160.esm.pretty.js
@@ -1,7 +1,7 @@
 
 console.log("foo");
 console.log("baz");
-import("./utf8-lazy-48cd6a70.js");
+import("./utf8-lazy-527020b7.js");
 function ɵɵbar(){
   console.log("bar");
 };export{ɵɵbar as ɵ}
diff --git a/test/import/fixtures/utf8-lazy-48cd6a70.esm.advanced.js b/test/import/fixtures/utf8-lazy-48cd6a70.esm.advanced.js
deleted file mode 100644
index a8abc61b..00000000
--- a/test/import/fixtures/utf8-lazy-48cd6a70.esm.advanced.js
+++ /dev/null
@@ -1 +0,0 @@
-import{ɵ as ɵɵbar}from'./utf8-3e9ae737.js';\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8-lazy-48cd6a70.esm.default.js b/test/import/fixtures/utf8-lazy-48cd6a70.esm.default.js
deleted file mode 100644
index a8abc61b..00000000
--- a/test/import/fixtures/utf8-lazy-48cd6a70.esm.default.js
+++ /dev/null
@@ -1 +0,0 @@
-import{ɵ as ɵɵbar}from'./utf8-3e9ae737.js';\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8-lazy-48cd6a70.esm.es5.js b/test/import/fixtures/utf8-lazy-48cd6a70.esm.es5.js
deleted file mode 100644
index a8abc61b..00000000
--- a/test/import/fixtures/utf8-lazy-48cd6a70.esm.es5.js
+++ /dev/null
@@ -1 +0,0 @@
-import{ɵ as ɵɵbar}from'./utf8-3e9ae737.js';\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8-lazy-48cd6a70.esm.pretty.js b/test/import/fixtures/utf8-lazy-48cd6a70.esm.pretty.js
deleted file mode 100644
index c506405c..00000000
--- a/test/import/fixtures/utf8-lazy-48cd6a70.esm.pretty.js
+++ /dev/null
@@ -1,2 +0,0 @@
-import{ɵ as ɵɵbar}from'./utf8-3e9ae737.js';
-\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8-lazy-527020b7.esm.advanced.js b/test/import/fixtures/utf8-lazy-527020b7.esm.advanced.js
new file mode 100644
index 00000000..6ece6e78
--- /dev/null
+++ b/test/import/fixtures/utf8-lazy-527020b7.esm.advanced.js
@@ -0,0 +1 @@
+import{ɵ as ɵɵbar}from'./utf8-41b27160.js';\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8-lazy-527020b7.esm.default.js b/test/import/fixtures/utf8-lazy-527020b7.esm.default.js
new file mode 100644
index 00000000..6ece6e78
--- /dev/null
+++ b/test/import/fixtures/utf8-lazy-527020b7.esm.default.js
@@ -0,0 +1 @@
+import{ɵ as ɵɵbar}from'./utf8-41b27160.js';\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8-lazy-527020b7.esm.es5.js b/test/import/fixtures/utf8-lazy-527020b7.esm.es5.js
new file mode 100644
index 00000000..6ece6e78
--- /dev/null
+++ b/test/import/fixtures/utf8-lazy-527020b7.esm.es5.js
@@ -0,0 +1 @@
+import{ɵ as ɵɵbar}from'./utf8-41b27160.js';\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8-lazy-527020b7.esm.pretty.js b/test/import/fixtures/utf8-lazy-527020b7.esm.pretty.js
new file mode 100644
index 00000000..2ecf9b76
--- /dev/null
+++ b/test/import/fixtures/utf8-lazy-527020b7.esm.pretty.js
@@ -0,0 +1,2 @@
+import{ɵ as ɵɵbar}from'./utf8-41b27160.js';
+\u0275\u0275bar()
diff --git a/test/import/fixtures/utf8.esm.advanced.js b/test/import/fixtures/utf8.esm.advanced.js
index 95d04f61..7ceeddc4 100644
--- a/test/import/fixtures/utf8.esm.advanced.js
+++ b/test/import/fixtures/utf8.esm.advanced.js
@@ -1 +1 @@
-import './utf8-3e9ae737.js'
+import './utf8-41b27160.js'
diff --git a/test/import/fixtures/utf8.esm.default.js b/test/import/fixtures/utf8.esm.default.js
index 95d04f61..7ceeddc4 100644
--- a/test/import/fixtures/utf8.esm.default.js
+++ b/test/import/fixtures/utf8.esm.default.js
@@ -1 +1 @@
-import './utf8-3e9ae737.js'
+import './utf8-41b27160.js'
diff --git a/test/import/fixtures/utf8.esm.es5.js b/test/import/fixtures/utf8.esm.es5.js
index 95d04f61..7ceeddc4 100644
--- a/test/import/fixtures/utf8.esm.es5.js
+++ b/test/import/fixtures/utf8.esm.es5.js
@@ -1 +1 @@
-import './utf8-3e9ae737.js'
+import './utf8-41b27160.js'
diff --git a/test/import/fixtures/utf8.esm.pretty.js b/test/import/fixtures/utf8.esm.pretty.js
index 95d04f61..7ceeddc4 100644
--- a/test/import/fixtures/utf8.esm.pretty.js
+++ b/test/import/fixtures/utf8.esm.pretty.js
@@ -1 +1 @@
-import './utf8-3e9ae737.js'
+import './utf8-41b27160.js'
diff --git a/yarn.lock b/yarn.lock
index 65b63e9f..3791aefb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -454,11 +454,6 @@ acorn@7.1.1:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.1.tgz#e35668de0b402f359de515c5482a1ab9f89a69bf"
   integrity sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==
 
-acorn@^7.1.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.0.tgz#949d36f2c292535da602283586c2477c57eb2d6c"
-  integrity sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==
-
 agent-base@5:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-5.1.1.tgz#e8fb3f242959db44d63be665db7a8e739537a32c"
@@ -3619,14 +3614,12 @@ rimraf@^3.0.0:
   dependencies:
     glob "^7.1.3"
 
-rollup@1.32.0:
-  version "1.32.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.32.0.tgz#c65ce134850aca1ce595fcac07d1dc5d53bf227c"
-  integrity sha512-ab2tF5pdDqm2zuI8j02ceyrJSScl9V2C24FgWQ1v1kTFTu1UrG5H0hpP++mDZlEFyZX4k0chtGEHU2i+pAzBgA==
-  dependencies:
-    "@types/estree" "*"
-    "@types/node" "*"
-    acorn "^7.1.0"
+rollup@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.0.0.tgz#0bd7a09bd7cdaa70a19ad5a356f2fab90fd2f401"
+  integrity sha512-tbvWownITR+0ebaX6iRr7IcLkziTCJacRpmWz03NIj3CZDmGlergYSwdG8wPx68LT0ms1YzqmbjUQHb6ut8pdw==
+  optionalDependencies:
+    fsevents "~2.1.2"
 
 run-async@^2.2.0:
   version "2.3.0"