diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..7806260
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,39 @@
+# Python CircleCI 2.0 configuration file
+#
+# Check https://circleci.com/docs/2.0/language-python/ for more details
+#
+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/python:3.7
+
+    working_directory: ~/repo
+
+    environment:
+      PIPENV_VENV_IN_PROJECT: true
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "Pipfile.lock" }}-{{ .Environment.CACHE_VERSION }}
+
+      - run:
+          name: install dependencies
+          command: |
+            sudo pip install pipenv
+            pipenv install -d
+
+      - save_cache:
+          paths:
+            - ./.venv
+          key: v1-dependencies-{{ checksum "Pipfile.lock" }}-{{ .Environment.CACHE_VERSION }}
+
+      # run tests!
+      - run:
+          name: run tests
+          command: |
+            make test
diff --git a/README.md b/README.md
index edc8331..8bfae6e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # pilgram
 
+[![CircleCI](https://circleci.com/gh/akiomik/pilgram.svg?style=svg)](https://circleci.com/gh/akiomik/pilgram)
+
 A python library for instagram filters.
 
 ![screenshot](screenshot.png)