diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index d71e1ed..c380e40 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -36,3 +36,13 @@ jobs:
         run: |
           bash bootstrap.sh
           ./configure && make && make check
+
+      - uses: ammaraskar/gcc-problem-matcher@0.1
+        name: GCC Problem Matcher
+
+      - name: codecov report
+        if: startsWith(matrix.os, 'ubuntu')
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        run: |
+           bash .make-codecov
diff --git a/.gitignore b/.gitignore
index 882c65b..569b989 100644
--- a/.gitignore
+++ b/.gitignore
@@ -94,3 +94,4 @@ tests/out
 tests/packet1.pcap
 *.d
 ar-lib
+tcpflow-1.6.1
diff --git a/.make-codecov b/.make-codecov
new file mode 100644
index 0000000..c20d48f
--- /dev/null
+++ b/.make-codecov
@@ -0,0 +1,15 @@
+#!/bin/bash
+#
+# 2020-10-29 - slg - compile for codecov, run self-test, and upload results.
+#
+export CODECOV_TOKEN='d97f1a9d-88e1-4db4-b14c-5b2edef43cf6'
+bash bootstrap.sh
+./configure CFLAGS='-g -O0 -fprofile-arcs -ftest-coverage' \
+            CXXFLAGS='-g -O0 -fprofile-arcs -ftest-coverage' \
+            LIBS='-lgcov'
+make clean \
+     && make  \
+     && make check \
+     && gcov-9 -n -o . *cpp \
+     && bash <(curl -s https://codecov.io/bash)
+make distclean