diff --git a/python-acme.spec b/python-acme.spec
index 9324d78..57091e7 100644
--- a/python-acme.spec
+++ b/python-acme.spec
@@ -1,5 +1,5 @@
 Name:          python-acme
-Version:       1.14.0
+Version:       1.15.0
 Release:       1mamba
 Summary:       ACME protocol implementation for Python
 Group:         System/Libraries
@@ -20,8 +20,6 @@ BuildRequires: python3.7dist(requests)
 BuildRequires: python3.7dist(requests-toolbelt)
 BuildRequires: python3.7dist(setuptools)
 ## AUTOBUILDREQ-END
-BuildRequires: python-cryptography-py3 >= 1.5.2-2mamba
-BuildRequires: python-pyOpenSSL-py3
 
 %description
 %{summary}.
@@ -56,6 +54,9 @@ sed -i "\,\.egg-info/,d;s,.*/man/.*,&.gz," %{name}.filelist
 %{python_sitearch}/acme-%{version}-py*.egg-info/*
 
 %changelog
+* Sat May 08 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.15.0-1mamba
+- update to 1.15.0
+
 * Fri Apr 09 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.14.0-1mamba
 - update to 1.14.0