diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 875f05a..ce4e43d 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -10,7 +10,7 @@ on:
     branches: [ "master" ]
 
 jobs:
-  build:
+  build-node:
 
     runs-on: ubuntu-latest
 
@@ -35,8 +35,21 @@ jobs:
         flag-name: node-${{ join(matrix.*, '-') }}
         parallel: true
 
-  finish:
-    needs: build
+  build-bun:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        bun-version: [latest, canary]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: oven-sh/setup-bun@v1
+      with:
+        bun-version: ${{ matrix.node-version }}
+    - run: bun install
+    - run: bun test
+
+  report-coverage:
+    needs: build-node
     if: ${{ always() }}
     runs-on: ubuntu-latest
     steps:
diff --git a/jest.config.ts b/jest.config.ts
index f8dce43..34ad0fc 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -5,5 +5,6 @@ const config: Config = {
   moduleNameMapper: {
     '^(\\.{1,2}/.*)\\.js$': '$1',
   },
+  clearMocks: true,
 }
 export default config
diff --git a/src/graph.test.ts b/src/graph.test.ts
index 9e3d31a..3c6571c 100644
--- a/src/graph.test.ts
+++ b/src/graph.test.ts
@@ -1150,11 +1150,6 @@ describe('ngraph', () => {
 })
 
 describe('Components', () => {
-    beforeEach(() => {
-        // reset counts of calls using spyOn
-        jest.clearAllMocks()
-    })
-
     describe('Lock', () => {
         test('locking twice', () => {
             const creator = new Graferse()
@@ -1175,6 +1170,10 @@ describe('Components', () => {
             expect(linkLock.requestLock('test', 'up')).toEqual("FREE")
             expect(logSpyWarn).toHaveBeenCalled()
             expect(logSpyError).toHaveBeenCalled()
+
+            // needed for bun until resetAllMocks is available
+            logSpyWarn.mockReset()
+            logSpyError.mockReset()
         })
 
         describe('Locking in both directions', () => {
@@ -1274,6 +1273,9 @@ describe('Exceptions', () => {
         expect(nodeA.isLocked()).toBeFalsy()
         expect(nodeB.isLocked()).toBeFalsy()
         expect(nodeC.isLocked()).toBeFalsy()
+
+        // needed for bun until resetAllMocks is available
+        logSpyError.mockReset()
     })
     test('arrivedAt bounds', () => {
         const getLockForLink = (from: Lock, to: Lock) => {