diff --git a/dev-requirements.txt b/dev-requirements.txt
index 010aa93..bbd01d2 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,7 +4,6 @@
 #
 #    pip-compile --generate-hashes --output-file dev-requirements.txt dev-requirements.in
 #
-
 atomicwrites==1.2.1 \
     --hash=sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0 \
     --hash=sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee \
@@ -144,9 +143,9 @@ typed-ast==1.1.0 \
     --hash=sha256:edb04bdd45bfd76c8292c4d9654568efaedf76fe78eb246dde69bdb13b2dad87 \
     --hash=sha256:f19f2a4f547505fe9072e15f6f4ae714af51b5a681a97f187971f50c283193b6 \
     # via mypy
-urllib3==1.24 \
-    --hash=sha256:41c3db2fc01e5b907288010dec72f9d0a74e37d6994e6eb56849f59fea2265ae \
-    --hash=sha256:8819bba37a02d143296a4d032373c4dd4aca11f6d4c9973335ca75f9c8475f59 \
+urllib3==1.24.2 \
+    --hash=sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0 \
+    --hash=sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3 \
     # via requests
 webencodings==0.5.1 \
     --hash=sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78 \