diff --git a/.circleci/config.yml b/.circleci/config.yml
index ef21325..f7c3b82 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,9 +1,27 @@
 version: 2
 jobs:
-  build:
-    working_directory: ~/noiseprotocol
+  build35:
     docker:
-      - image: circleci/python:3.6.4
+      - image: circleci/python:3.5
+    steps:
+      - checkout
+      - run: sudo chown -R circleci:circleci /usr/local/bin
+      - run: sudo chown -R circleci:circleci /usr/local/lib/python3.5/site-packages
+      - run:
+          command: |
+            sudo pip install -r requirements.txt
+            sudo pip install -r dev_requirements.txt
+      - run:
+          command: |
+            mkdir test-reports
+            pytest --junitxml=test-reports/junit.xml
+      - store_test_results:
+          path: test-results
+      - store_artifacts:
+          path: test-results
+  build36:
+    docker:
+      - image: circleci/python:3.6
     steps:
       - checkout
       - run: sudo chown -R circleci:circleci /usr/local/bin
@@ -19,4 +37,31 @@ jobs:
       - store_test_results:
           path: test-results
       - store_artifacts:
-          path: test-results
\ No newline at end of file
+          path: test-results
+  build37:
+    docker:
+      - image: circleci/python:3.7
+    steps:
+      - checkout
+      - run: sudo chown -R circleci:circleci /usr/local/bin
+      - run: sudo chown -R circleci:circleci /usr/local/lib/python3.7/site-packages
+      - run:
+          command: |
+            sudo pip install -r requirements.txt
+            sudo pip install -r dev_requirements.txt
+      - run:
+          command: |
+            mkdir test-reports
+            pytest --junitxml=test-reports/junit.xml
+      - store_test_results:
+          path: test-results
+      - store_artifacts:
+          path: test-results
+
+workflows:
+  version: 2
+  build:
+    jobs:
+      - build35
+      - build36
+      - build37
\ No newline at end of file