diff --git a/requirements.txt b/requirements.txt
index f9821ea..b26d65b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 dnspython==1.16.0
 zonefile==0.1.1
 blockstack-zones-py3==0.19.0.0
-dnslib==0.9.12
+dnslib==0.9.17
 cloudns_api==0.8