diff --git a/requirements-build.txt b/requirements-build.txt
index 02ea24c..749d9d5 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -2,5 +2,5 @@ certifi==2017.7.27.1
 chardet==3.0.4
 idna>=2.5
 requests>=2.20.0
-urllib3==1.22
+urllib3>=1.23
 www-authenticate==0.9.2
\ No newline at end of file
diff --git a/requirements-ci.txt b/requirements-ci.txt
index 5a78403..63aa1ff 100644
--- a/requirements-ci.txt
+++ b/requirements-ci.txt
@@ -4,6 +4,6 @@ certifi
 chardet
 idna>=2.5
 requests>=2.20.0
-urllib3
+urllib3=>1.23
 www-authenticate