diff --git a/requirements.txt b/requirements.txt
index 7a7c75d9..67bd35ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,12 +1,12 @@
 twisted==19.7.0
 cryptography==2.7
-configparser==3.8.1
+configparser==4.0.2
 pyopenssl==19.0.0
 pyparsing==2.4.2
-packaging==19.1
+packaging==19.2
 appdirs==1.4.3
-pyasn1_modules==0.2.6
-attrs==19.1.0
+pyasn1_modules==0.2.7
+attrs==19.3.0
 service_identity==18.1.0
 python-dateutil==2.8.0
 tftpy==0.8.0