diff --git a/lower-constraints.txt b/lower-constraints.txt
index dee819af..4788e80f 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -3,7 +3,7 @@ appdirs==1.4.3
 asn1crypto==0.24.0
 Babel==2.3.4
 certifi==2018.1.18
-cffi==1.11.5
+cffi==1.14
 chardet==3.0.4
 cliff==2.11.0
 cmd2==0.8.1
@@ -66,7 +66,7 @@ pep8==1.5.7
 Pint==0.8.1
 prettytable==0.7.2
 pycparser==2.18
-pyflakes==0.8.1
+pyflakes==2.1.1
 Pygments==2.2.0
 pyinotify==0.9.6
 pymongo==3.6.1
diff --git a/test-requirements.txt b/test-requirements.txt
index ffcbd1fe..c9bfa73d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,6 +8,11 @@
 #
 # Hacking should appear first in case something else depends on pep8
 hacking>=1.1.0,<1.2.0 # Apache-2.0
+# remove this pyflakes from here once you bump the
+# hacking to 3.2.0 or above. hacking 3.2.0 takes
+# care of pyflakes version compatibilty.
+pyflakes>=2.1.1
+
 coverage!=4.4,>=4.0 # Apache-2.0
 nodeenv>=0.9.4 # BSD
 pytest>=5.3.5 # MIT