diff --git a/python-requests.spec b/python-requests.spec
index 78c1e80..730e773 100644
--- a/python-requests.spec
+++ b/python-requests.spec
@@ -1,6 +1,6 @@
 Name:          python-requests
 Version:       2.21.0
-Release:       1mamba
+Release:       2mamba
 Summary:       Requests is an Apache2 Licensed HTTP library, written in Python, for human beings
 Group:         System/Libraries
 Vendor:        openmamba
@@ -15,6 +15,7 @@ BuildRequires: libpython-devel
 Requires:      python >= %python_version
 Requires:      python-chardet
 Requires:      python-certifi
+Requires:      python-urllib3
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -27,6 +28,10 @@ BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 %prep
 %setup -q -n requests-%{version}
 
+sed -e '/certifi/d' \
+    -e "s/,<.*'/'/" \
+    -i setup.py
+
 %build
 CFLAGS="%{optflags}" %{__python} setup.py build
 
@@ -46,6 +51,9 @@ CFLAGS="%{optflags}" %{__python} setup.py build
 %doc LICENSE
 
 %changelog
+* Thu May 16 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 2.21.0-2mamba
+- fix reqirement for urllib3<1.25
+
 * Fri Dec 14 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 2.21.0-1mamba
 - update to 2.21.0