diff --git a/meta-python/recipes-core/images/meta-python-image-ptest.bb b/meta-python/recipes-core/images/meta-python-image-ptest.bb
index c5eb0b6403..08e5009540 100644
--- a/meta-python/recipes-core/images/meta-python-image-ptest.bb
+++ b/meta-python/recipes-core/images/meta-python-image-ptest.bb
@@ -33,6 +33,8 @@ QB_MEM:virtclass-mcextend-python3-scrypt = "-m 2048"
 QB_MEM:virtclass-mcextend-python3-fastjsonschema = "-m 5120"
 QB_MEM:virtclass-mcextend-python3-pillow = "-m 2048"
 QB_MEM:virtclass-mcextend-python3-django = "-m 3072"
+QB_MEM:virtclass-mcextend-python3-pint = "-m 2048"
+QB_MEM:virtclass-mcextend-python3-pydantic-core = "-m 2048"
 
 TEST_SUITES = "ping ssh parselogs ptest"