diff --git a/global-requirements.txt b/global-requirements.txt
index dd46e12ba0..2cfcfc2746 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -114,7 +114,7 @@ pyasn1!=0.2.3  # BSD
 pyasn1-modules  # BSD
 pycadf!=2.0.0  # Apache-2.0
 pycdlib  # LGPLv2+
-PyECLib  # BSD
+PyECLib!=1.6.2,!=1.6.3  # BSD
 pyghmi!=1.4.0,!=1.5.11  # Apache-2.0
 PyJWT  # MIT
 pykmip  # Apache 2.0 License
diff --git a/upper-constraints.txt b/upper-constraints.txt
index ddcf99add0..da34ee3414 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -492,7 +492,7 @@ oslo.privsep===3.4.0
 sphinxcontrib-apidoc===0.5.0
 oslo.policy===4.4.0
 hvac===2.3.0
-pyeclib===1.6.1
+pyeclib===1.6.4
 ndg-httpsclient===0.5.1
 repoze.lru===0.7
 rfc3986===2.0.0