diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index 95a02bd..a0b86dc 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -18,6 +18,16 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # pin@v4
 
+      - uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run tests
+        run: bun test
+
       - name: Dockerhub login
         run: "docker login --username ${{ secrets.DOCKER_USERNAME }} --password ${{ secrets.DOCKER_PASSWORD }}"
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..bb837f6
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,22 @@
+name: Test
+
+on:
+  push:
+
+jobs:
+  publish:
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # pin@v4
+
+      - uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run tests
+        run: bun test
diff --git a/bun.lockb b/bun.lockb
index 131af4e..062d6bf 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index 91c991c..551347d 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "@types/config": "3.3.3",
     "@types/node-cache": "4.2.5",
     "pino-pretty": "10.3.1",
-    "tape": "5.7.4"
+    "tap": "18.7.0"
   },
   "engines": {
     "node": ">=14.0.0"
diff --git a/test/unit.test.js b/test/unit.test.js
deleted file mode 100644
index 1827f01..0000000
--- a/test/unit.test.js
+++ /dev/null
@@ -1,32 +0,0 @@
-import test from "tape";
-import { addFeeEstimates } from "../src/util";
-
-test("addFeeEstimates", (t) => {
-  t.plan(4);
-
-  const feeByBlockTarget = { 1: 100, 2: 200, 3: 300 };
-  const newEstimates = { 4: 50, 5: 150, 6: 250 };
-
-  addFeeEstimates(feeByBlockTarget, newEstimates);
-
-  t.equal(
-    feeByBlockTarget[4],
-    50,
-    "Should add new estimate with block target 4 and fee 50",
-  );
-  t.equal(
-    feeByBlockTarget[5],
-    undefined,
-    "Should not add new estimate with block target 5 and fee 150",
-  );
-  t.equal(
-    feeByBlockTarget[6],
-    undefined,
-    "Should not add new estimate with block target 6 and fee 250",
-  );
-  t.equal(
-    Object.keys(feeByBlockTarget).length,
-    4,
-    "Should add only one new estimate",
-  );
-});
diff --git a/test/unit.test.ts b/test/unit.test.ts
new file mode 100644
index 0000000..03c57b4
--- /dev/null
+++ b/test/unit.test.ts
@@ -0,0 +1,14 @@
+import { expect, test } from "bun:test";
+import { addFeeEstimates } from "../src/util";
+
+test("addFeeEstimates", () => {
+  const feeByBlockTarget: FeeByBlockTarget = { 1: 100, 2: 200, 3: 300 };
+  const newEstimates: FeeByBlockTarget = { 4: 50, 5: 150, 6: 250 };
+
+  addFeeEstimates(feeByBlockTarget, newEstimates);
+
+  expect(feeByBlockTarget[4]).toEqual(50);
+  expect(feeByBlockTarget[5]).toBeUndefined();
+  expect(feeByBlockTarget[6]).toBeUndefined();
+  expect(Object.keys(feeByBlockTarget).length).toEqual(4);
+});