diff --git a/.gitignore b/.gitignore
index 7de223911ed8ffb38fba5e4d7c1396f3e066eb60..f9dfbf9232e9503f6e751d2b1690613e2a083791 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ MANIFEST
 build
 dist
 install.sh
+.coverage
 .eggs
 .tox
 .venv
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 00fdb1744da51512586f6bbdeeab5b8d8ddee647..f11019470383ac511b85cffc492125f038990c0d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -77,7 +77,7 @@ build:debian:stretch:
   stage: test
   image: python
   script:
-    - python setup.py test
+    - python setup.py test --addopts "--cov ligo/gracedb"
 
 test:python2.7:
   <<: *test
diff --git a/setup.cfg b/setup.cfg
index e23f948f9a93d2576d846ef3fede4653f32753a8..f3392583556f8693317188a86e9ab0de5d823269 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,6 +7,14 @@ markers =
     cli: tests related to the command-line interface
     integration: integration tests, connection to a GraceDB server required
 
+[coverage:run]
+omit =
+    ligo/gracedb/legacy_cli.py
+    ligo/gracedb/version.py
+    */test/*
+    */tests/*
+    */conftest.py
+
 [flake8]
 ignore = E129, W503
 exclude =
diff --git a/setup.py b/setup.py
index dc7088924ffeddde24a3508bd5ace64095590d33..b84f84e26b71ae21d076a1467dc4589a1ecc6603 100644
--- a/setup.py
+++ b/setup.py
@@ -41,6 +41,8 @@ pytest_requirement = 'pytest>=3.1.0'
 if sys.version_info < (3, 5):
     pytest_requirement += ',<5.0.0'
 tests_require.append(pytest_requirement)
+tests_require.append('pytest-cov')
+
 # Add mock for Python 2
 if sys.version_info.major < 3:
     tests_require.append('mock>=2.0.0')