diff --git a/requirements.txt b/requirements.txt
index 99495dfa..e073bce5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ pathtools==0.1.2
 pluggy==0.6.0
 poyo==0.4.1
 py==1.5.3
-pyasn1==0.4.2
+pyasn1==0.4.4
 pycodestyle==2.4.0
 pycparser==2.18
 pyflakes==2.0.0
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 06e1b96d..22619c71 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -33,7 +33,7 @@ pathtools==0.1.2
 pluggy==0.6.0
 poyo==0.4.1
 py==1.5.3
-pyasn1==0.4.2
+pyasn1==0.4.4
 pycodestyle==2.4.0
 pycparser==2.18
 pyflakes==2.0.0