diff --git a/.coveralls.yml b/.coveralls.yml
new file mode 100644
index 0000000..8f2f59d
--- /dev/null
+++ b/.coveralls.yml
@@ -0,0 +1 @@
+repo_token: 9RBkDXO6AnRhLyzt6XhIpQ2kvDQE6sBDe
\ No newline at end of file
diff --git a/.github/workflows/hdf-compass_on_linux.yml b/.github/workflows/hdf-compass_on_linux.yml
index 7401a76..6f1fda4 100644
--- a/.github/workflows/hdf-compass_on_linux.yml
+++ b/.github/workflows/hdf-compass_on_linux.yml
@@ -42,5 +42,5 @@ jobs:
         pip install coveralls PyYAML pytest pytest-cov
         py.test --cov
         coverage report -m
-        # coveralls
+        coveralls
       continue-on-error: false
diff --git a/.github/workflows/hdf-compass_on_windows.yml b/.github/workflows/hdf-compass_on_windows.yml
index edbab31..095ae24 100644
--- a/.github/workflows/hdf-compass_on_windows.yml
+++ b/.github/workflows/hdf-compass_on_windows.yml
@@ -41,5 +41,5 @@ jobs:
         pip install coveralls PyYAML pytest pytest-cov
         py.test --cov
         coverage report -m
-        # coveralls
+        coveralls
       continue-on-error: false
diff --git a/README.rst b/README.rst
index d6bc74b..51e5e01 100644
--- a/README.rst
+++ b/README.rst
@@ -21,6 +21,10 @@ HDF Compass
     :target: https://github.com/HDFGroup/hdf-compass/actions/workflows/hdf-compass_on_linux.yml
     :alt: Linux
 
+.. image:: https://coveralls.io/repos/github/HDFGroup/hdf-compass/badge.svg?branch=py3
+    :target: https://coveralls.io/github/HDFGroup/hdf-compass?branch=py3
+    :alt: coverall
+
 
 Welcome to the project!  HDF Compass is an experimental viewer program for
 HDF5 and related formats, designed to complement other more complex