diff --git a/dev-requirements.txt b/dev-requirements.txt
index 46427b1e..846eb11b 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -15,7 +15,7 @@
 # Be sure to leave these comments at the top of the new file.
 #
 -e .
-asn1crypto==1.0.1
+asn1crypto==1.1.0
 astroid==1.6.5 ; python_version < "3.0" # pyup: ignore
 astroid==2.3.1; python_version >= "3.0"
 backports.functools-lru-cache==1.5
diff --git a/requirements.txt b/requirements.txt
index ffc70db2..8277250b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,9 +14,9 @@
 #
 # Be sure to leave these comments at the top of the new file.
 #
-asn1crypto==1.0.1 \
-    --hash=sha256:0b199f211ae690df3db4fd6c1c4ff976497fb1da689193e368eedbadc53d9292 \
-    --hash=sha256:bca90060bd995c3f62c4433168eab407e44bdbdb567b3f3a396a676c1a4c4a3f    # via cryptography
+asn1crypto==1.1.0 \
+    --hash=sha256:5abe83e773026162e4869f4ac16edf7554f661e8cc0bb6d2be3bc6915456731b \
+    --hash=sha256:8f3f9470d4ba7aa53afb00278dc26aac22dc3a0d4ed1335fd772f034e094401e    # via cryptography
 certifi==2019.9.11 \
     --hash=sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50 \
     --hash=sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef    # via requests