diff --git a/requirements-dev.txt b/requirements-dev.txt
index a16b484..485a33f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 coverage
 mock
 nose
-pycodestyle==2.5.0
+pycodestyle==2.6.0
 pyflakes==2.2.0
 readme_renderer[md]==26.0
 requests_mock
diff --git a/requirements.txt b/requirements.txt
index 71294a8..d60be3d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 PyYaml==5.3.1
 azure-common==1.1.25
 azure-mgmt-dns==3.0.0
-boto3==1.13.0
-botocore==1.16.0
+boto3==1.13.19
+botocore==1.16.19
 dnspython==1.16.0
 docutils==0.16
 dyn==1.8.1
@@ -14,13 +14,13 @@ ipaddress==1.0.23
 jmespath==0.9.5
 msrestazure==0.6.3
 natsort==6.2.1
-ns1-python==0.15.0
+ns1-python==0.16.0
 ovh==0.5.0
 pycountry-convert==0.7.2
 pycountry==19.8.18
 python-dateutil==2.8.1
 requests==2.23.0
 s3transfer==0.3.3
-setuptools==44.1.0
-six==1.14.0
+setuptools==44.1.1
+six==1.15.0
 transip==2.1.2
diff --git a/script/lint b/script/lint
index 5fd9a7d..627c5be 100755
--- a/script/lint
+++ b/script/lint
@@ -17,5 +17,5 @@ fi
 
 SOURCES="*.py octodns/*.py octodns/*/*.py tests/*.py"
 
-pycodestyle --ignore=E221,E241,E251,E722,W504 $SOURCES
+pycodestyle --ignore=E221,E241,E251,E722,E741,W504 $SOURCES
 pyflakes $SOURCES