diff --git a/qa/suites/rbd/valgrind/workloads/python_api_tests.yaml b/qa/suites/rbd/valgrind/workloads/python_api_tests.yaml
index a7b3ce7d3e6..0fa86ad3ca2 100644
--- a/qa/suites/rbd/valgrind/workloads/python_api_tests.yaml
+++ b/qa/suites/rbd/valgrind/workloads/python_api_tests.yaml
@@ -1,3 +1,5 @@
+os_type: centos
+os_version: "7.3"
 tasks:
 - workunit:
     clients:
diff --git a/qa/suites/rbd/valgrind/workloads/python_api_tests_with_defaults.yaml b/qa/suites/rbd/valgrind/workloads/python_api_tests_with_defaults.yaml
index 40b2312f602..ec1eddd6cb4 100644
--- a/qa/suites/rbd/valgrind/workloads/python_api_tests_with_defaults.yaml
+++ b/qa/suites/rbd/valgrind/workloads/python_api_tests_with_defaults.yaml
@@ -1,3 +1,5 @@
+os_type: centos
+os_version: "7.3"
 tasks:
 - workunit:
     clients:
diff --git a/qa/suites/rbd/valgrind/workloads/python_api_tests_with_journaling.yaml b/qa/suites/rbd/valgrind/workloads/python_api_tests_with_journaling.yaml
index d0e905ff41a..b7de1bceb85 100644
--- a/qa/suites/rbd/valgrind/workloads/python_api_tests_with_journaling.yaml
+++ b/qa/suites/rbd/valgrind/workloads/python_api_tests_with_journaling.yaml
@@ -1,3 +1,5 @@
+os_type: centos
+os_version: "7.3"
 tasks:
 - workunit:
     clients: