diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..2827d0e
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,77 @@
+version: 2
+
+jobs:
+  test-3.5:
+    docker:
+      - image: circleci/python:3.6.7
+        environment:
+          CIRCLE_ARTIFACTS: /tmp/circleci-artifacts
+          CIRCLE_TEST_REPORTS: /tmp/circleci-test-results
+          LOG_DIR: ${CIRCLE_ARTIFACTS}/testresults/
+    steps:
+      - checkout
+      - run:
+          name: Get setuptools
+          shell: /bin/bash
+          command: sudo pip install --upgrade pip setuptools codecov
+      - run:
+          name: Run test
+          shell: /bin/bash
+          command: |
+            sudo make -e test
+            codecov
+      - store_artifacts:
+          path: /tmp/circleci-artifacts
+
+  test-3.6:
+    docker:
+      - image: circleci/python:3.6.5
+        environment:
+          CIRCLE_ARTIFACTS: /tmp/circleci-artifacts
+          CIRCLE_TEST_REPORTS: /tmp/circleci-test-results
+          LOG_DIR: ${CIRCLE_ARTIFACTS}/testresults/
+    steps:
+      - checkout
+      - run:
+          name: Get setuptools
+          shell: /bin/bash
+          command: sudo pip install --upgrade pip setuptools codecov
+      - run:
+          name: Run test
+          shell: /bin/bash
+          command: |
+            sudo make -e test
+            codecov
+      - store_artifacts:
+          path: /tmp/circleci-artifacts
+
+  test-3.7:
+    docker:
+      - image: circleci/python:3.7.3
+        environment:
+          CIRCLE_ARTIFACTS: /tmp/circleci-artifacts
+          CIRCLE_TEST_REPORTS: /tmp/circleci-test-results
+          LOG_DIR: ${CIRCLE_ARTIFACTS}/testresults/
+    steps:
+      - checkout
+      - run:
+          name: Get setuptools
+          shell: /bin/bash
+          command: sudo pip install --upgrade pip setuptools codecov
+      - run:
+          name: Run test
+          shell: /bin/bash
+          command: |
+            sudo make -e test
+            codecov
+      - store_artifacts:
+          path: /tmp/circleci-artifacts
+
+
+workflows:
+  version: 2
+  tests:
+    jobs:
+      - test-3.5
+      - test-3.6
+      - test-3.7
\ No newline at end of file
diff --git a/README.md b/README.md
index 5bd4ba9..ec32813 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,9 @@
 <h1 align="center">Telegram Media Downloader</h1>
 
 <p align="center">
-<a href="https://github.com/Dineshkarthik/Whatsapp-analyzer/blob/master/LICENSE"><img alt="License: MIT" src="https://black.readthedocs.io/en/stable/_static/license.svg"></a>
+<a href="https://circleci.com/gh/Dineshkarthik/telegram_media_downloader/tree/master"><img alt="Build Status" src="https://circleci.com/gh/Dineshkarthik/telegram_media_downloader.svg?style=svg"></a>
+<a href="https://codecov.io/gh/Dineshkarthik/telegram_media_downloader"><img alt="Coverage Status" src="https://codecov.io/gh/Dineshkarthik/telegram_media_downloader/branch/master/graph/badge.svg"></a>
+<a href="https://github.com/Dineshkarthik/telegram_media_downloader/blob/master/LICENSE"><img alt="License: MIT" src="https://black.readthedocs.io/en/stable/_static/license.svg"></a>
 <a href="https://github.com/python/black"><img alt="Code style: black" src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
 </p>
 
diff --git a/media_downloader.py b/media_downloader.py
index e2bca79..3b500e3 100644
--- a/media_downloader.py
+++ b/media_downloader.py
@@ -38,7 +38,7 @@ def _get_media_meta(media_obj: object, _type: str) -> Tuple[str, str]:
             THIS_DIR,
             _type,
             "voice_{}.{}".format(
-                dt.fromtimestamp(media_obj.date).isoformat(), file_format
+                dt.utcfromtimestamp(media_obj.date).isoformat(), file_format
             ),
         )
     elif _type == "photo":
diff --git a/tests/test_media_downloader.py b/tests/test_media_downloader.py
index 9134ee8..ce969db 100644
--- a/tests/test_media_downloader.py
+++ b/tests/test_media_downloader.py
@@ -85,7 +85,7 @@ class MockClient:
 
     def download_media(self, *args, **kwargs):
         assert "AwADBQADbwAD2oTRVeHe5eXRFftfAg", args[0]
-        assert "/root/project/voice/voice_2019-07-25T16:53:50.ogg", kwargs[
+        assert "/root/project/voice/voice_2019-07-25T14:53:50.ogg", kwargs[
             "file_name"
         ]
         return kwargs["file_name"]
@@ -108,7 +108,7 @@ class MediaDownloaderTestCase(unittest.TestCase):
         self.assertEqual(
             (
                 "AwADBQADbwAD2oTRVeHe5eXRFftfAg",
-                "/root/project/voice/voice_2019-07-25T16:53:50.ogg",
+                "/root/project/voice/voice_2019-07-25T14:53:50.ogg",
             ),
             result,
         )