diff --git a/requirements.txt b/requirements.txt
index 267ea7a49..7c4ac40cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -288,9 +288,9 @@ idna==2.7 \
 asn1crypto==0.24.0 \
     --hash=sha256:2f1adbb7546ed199e3c90ef23ec95c5cf3585bac7d11fb7eb562a3fe89c64e87 \
     --hash=sha256:9d5c20441baf0cb60a4ac34cc447c6c189024b6b4c6cd7877034f4965c464e49
-urllib3==1.23 \
-    --hash=sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5 \
-    --hash=sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf
+urllib3==1.24 \
+    --hash=sha256:8819bba37a02d143296a4d032373c4dd4aca11f6d4c9973335ca75f9c8475f59 \
+    --hash=sha256:41c3db2fc01e5b907288010dec72f9d0a74e37d6994e6eb56849f59fea2265ae
 pycparser==2.19 \
     --hash=sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3
 packaging==18.0 \