diff --git a/meta/recipes-devtools/python/python3-rfc3339-validator_0.1.4.bb b/meta/recipes-devtools/python/python3-rfc3339-validator_0.1.4.bb
index 7f1bbaf97d..9bc5fed921 100644
--- a/meta/recipes-devtools/python/python3-rfc3339-validator_0.1.4.bb
+++ b/meta/recipes-devtools/python/python3-rfc3339-validator_0.1.4.bb
@@ -8,6 +8,7 @@ FILESEXTRAPATHS:prepend := "${THISDIR}/python-rfc3339-validator:"
 SRC_URI[sha256sum] = "138a2abdf93304ad60530167e51d2dfb9549521a836871b88d7f4695d0022f6b"
 
 PYPI_PACKAGE = "rfc3339_validator"
+UPSTREAM_CHECK_REGEX = "/rfc3339-validator/(?P<pver>(\d+[\.\-_]*)+)/"
 
 inherit pypi setuptools3
 
diff --git a/meta/recipes-devtools/python/python3-rfc3986-validator_0.1.1.bb b/meta/recipes-devtools/python/python3-rfc3986-validator_0.1.1.bb
index 68b3db1f48..4abd181acf 100644
--- a/meta/recipes-devtools/python/python3-rfc3986-validator_0.1.1.bb
+++ b/meta/recipes-devtools/python/python3-rfc3986-validator_0.1.1.bb
@@ -9,6 +9,7 @@ SRC_URI[md5sum] = "47f7657b790aaf6011a1ab3d86c6be95"
 SRC_URI[sha256sum] = "3d44bde7921b3b9ec3ae4e3adca370438eccebc676456449b145d533b240d055"
 
 PYPI_PACKAGE = "rfc3986_validator"
+UPSTREAM_CHECK_REGEX = "/rfc3986-validator/(?P<pver>(\d+[\.\-_]*)+)/"
 
 inherit pypi setuptools3