diff --git a/.gitignore b/.gitignore
index c6b39955f..16d39a434 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,10 @@ eth2.0-spec-tests/
 # Dynamically built from Markdown spec
 test_libs/pyspec/eth2spec/phase0/spec.py
 test_libs/pyspec/eth2spec/phase1/spec.py
+
+# coverage reports
+.htmlcov
+.coverage
+
+# local CI testing output
+test_libs/pyspec/test-reports
diff --git a/Makefile b/Makefile
index f79b89dad..4ee757f88 100644
--- a/Makefile
+++ b/Makefile
@@ -21,8 +21,11 @@ PY_SPEC_PHASE_1_DEPS = $(SPEC_DIR)/core/1_*.md
 
 PY_SPEC_ALL_TARGETS = $(PY_SPEC_PHASE_0_TARGETS) $(PY_SPEC_PHASE_1_TARGETS)
 
+COV_HTML_OUT=.htmlcov
+COV_INDEX_FILE=$(PY_SPEC_DIR)/$(COV_HTML_OUT)/index.html
 
-.PHONY: clean all test citest lint gen_yaml_tests pyspec phase0 phase1 install_test install_deposit_contract_test test_deposit_contract compile_deposit_contract 
+.PHONY: clean all test citest lint gen_yaml_tests pyspec phase0 phase1 install_test open_cov \
+        install_deposit_contract_test test_deposit_contract compile_deposit_contract
 
 all: $(PY_SPEC_ALL_TARGETS) $(YAML_TEST_DIR) $(YAML_TEST_TARGETS)
 
@@ -32,6 +35,9 @@ clean:
 	rm -rf $(PY_SPEC_DIR)/venv $(PY_SPEC_DIR)/.pytest_cache
 	rm -rf $(PY_SPEC_ALL_TARGETS)
 	rm -rf $(DEPOSIT_CONTRACT_DIR)/venv $(DEPOSIT_CONTRACT_DIR)/.pytest_cache
+	rm -rf $(PY_SPEC_DIR)/$(COV_HTML_OUT)
+	rm -rf $(PY_SPEC_DIR)/.coverage
+	rm -rf $(PY_SPEC_DIR)/test-reports
 
 # "make gen_yaml_tests" to run generators
 gen_yaml_tests: $(PY_SPEC_ALL_TARGETS) $(YAML_TEST_TARGETS)
@@ -41,11 +47,15 @@ install_test:
 	cd $(PY_SPEC_DIR); python3 -m venv venv; . venv/bin/activate; pip3 install -r requirements-testing.txt;
 
 test: $(PY_SPEC_ALL_TARGETS)
-	cd $(PY_SPEC_DIR); . venv/bin/activate; python -m pytest eth2spec
+	cd $(PY_SPEC_DIR); . venv/bin/activate;	export PYTHONPATH="./"; \
+	python -m pytest --cov=eth2spec.phase0.spec --cov=eth2spec.phase1.spec --cov-report="html:$(COV_HTML_OUT)" --cov-branch eth2spec
 
 citest: $(PY_SPEC_ALL_TARGETS)
-	cd $(PY_SPEC_DIR); mkdir -p test-reports/eth2spec; . venv/bin/activate;	\
-	python -m pytest --junitxml=test-reports/eth2spec/test_results_phase0.xml eth2spec
+	cd $(PY_SPEC_DIR); mkdir -p test-reports/eth2spec; . venv/bin/activate; \
+	python -m pytest --junitxml=test-reports/eth2spec/test_results.xml eth2spec
+
+open_cov:
+	((open "$(COV_INDEX_FILE)" || xdg-open "$(COV_INDEX_FILE)") &> /dev/null) &
 
 lint: $(PY_SPEC_ALL_TARGETS)
 	cd $(PY_SPEC_DIR); . venv/bin/activate; \
diff --git a/test_libs/pyspec/README.md b/test_libs/pyspec/README.md
index 2c2226ee7..53750517d 100644
--- a/test_libs/pyspec/README.md
+++ b/test_libs/pyspec/README.md
@@ -28,7 +28,7 @@ These tests are sanity tests, to verify if the spec itself is consistent.
 
 #### Automated
 
-Run `make test` from the root of the specs repository.
+Run `make test` from the root of the specs repository (after running `make install_test` if have not before).
 
 #### Manual
 
@@ -50,6 +50,10 @@ pytest --config=minimal eth2spec
 ```
 Note the package-name, this is to locate the tests.
 
+### How to view code coverage report
+
+Run `make open_cov` from the root of the specs repository after running `make test` to open the html code coverage report.
+
 
 ## Contributing
 
diff --git a/test_libs/pyspec/requirements-testing.txt b/test_libs/pyspec/requirements-testing.txt
index 331d0fa28..edd141650 100644
--- a/test_libs/pyspec/requirements-testing.txt
+++ b/test_libs/pyspec/requirements-testing.txt
@@ -2,3 +2,4 @@
 pytest>=3.6,<3.7
 ../config_helpers
 flake8==3.7.7
+pytest-cov