diff --git a/README.md b/README.md
index 689f1bd..597fdcb 100644
--- a/README.md
+++ b/README.md
@@ -98,8 +98,8 @@ before_install:
   - brew update
   - brew install pyenv
   - eval "$(pyenv init -)"
-  - pyenv install 2.7.6
-  - pyenv global 2.7.6
+  - pyenv install 3.7
+  - pyenv global 3.7
   - pyenv rehash
   - pip install cpp-coveralls
   - pyenv rehash
diff --git a/cpp_coveralls/__init__.py b/cpp_coveralls/__init__.py
index c3d0e4e..d79c3cc 100644
--- a/cpp_coveralls/__init__.py
+++ b/cpp_coveralls/__init__.py
@@ -86,7 +86,14 @@ def run():
     args.include.extend(yml.get('include', []))
     args.exclude_lines_pattern.extend(yml.get('exclude_lines_pattern', []))
 
-    args.service_job_id = os.environ.get('TRAVIS_JOB_ID', '')
+    if(args.service_name == 'travis-ci'):
+        args.service_job_id = os.environ.get('TRAVIS_JOB_ID', '')
+    elif(args.service_name == 'appveyor'):
+        args.service_job_id = os.environ.get('APPVEYOR_BUILD_ID', '')
+    elif(args.service_name == 'circle-ci'):
+        args.service_job_id = os.environ.get('CIRCLE_WORKFLOW_ID', '')
+    else:
+        args.service_job_id = os.environ.get('CI_BUILD_ID', '')
 
     if args.repo_token == '' and args.service_job_id == '':
         raise ValueError("\nno coveralls.io token specified and no travis job id found\n"
diff --git a/cpp_coveralls/gitrepo.py b/cpp_coveralls/gitrepo.py
index 31bb1e3..b8d404d 100644
--- a/cpp_coveralls/gitrepo.py
+++ b/cpp_coveralls/gitrepo.py
@@ -43,8 +43,9 @@ def gitrepo(cwd):
         },
         'branch': os.environ.get('TRAVIS_BRANCH',
                   os.environ.get('APPVEYOR_REPO_BRANCH',
+                  os.environ.get('CIRCLE_BRANCH',
                   os.environ.get('CI_BRANCH',
-                                 repo.git('rev-parse', '--abbrev-ref', 'HEAD')[1].strip()))),
+                                 repo.git('rev-parse', '--abbrev-ref', 'HEAD')[1].strip())))),
         'remotes': [{'name': line.split()[0], 'url': line.split()[1]}
                     for line in repo.git('remote', '-v')[1] if '(fetch)' in line]
     }