diff --git a/common_files/.github/workflows/mfxxx_integration_tests.sh b/common_files/.github/workflows/mfxxx_integration_tests.sh
index b63b48b..42ef9bb 100755
--- a/common_files/.github/workflows/mfxxx_integration_tests.sh
+++ b/common_files/.github/workflows/mfxxx_integration_tests.sh
@@ -7,6 +7,7 @@ cd /src
 
 {% if REPO == "mfext" %}
     yum -y localinstall ./rpms/metwork-mfext*.rpm
+    yum -y install diffutils
     if test -d "integration_tests"; then cd integration_tests; /opt/metwork-mfext/bin/mfext_wrapper ./run_integration_tests.sh; cd ..; fi
 {% else %}
 echo -e "[metwork_${DEP_BRANCH}]" >/etc/yum.repos.d/metwork.repo