diff --git a/_service b/_service
deleted file mode 100644
index 790feac..0000000
--- a/_service
+++ /dev/null
@@ -1,7 +0,0 @@
-<services>
- <service name="download_files" mode="localonly">
-    <param name="enforceupstream">yes</param>
-    <param name="changesgenerate">enable</param>
- </service>
- <service name="set_version" mode="localonly"/>
-</services>
diff --git a/ecdsa-0.13.3.tar.gz b/ecdsa-0.13.3.tar.gz
deleted file mode 100644
index 477f658..0000000
--- a/ecdsa-0.13.3.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:163c80b064a763ea733870feb96f9dd9b92216cfcacd374837af18e4e8ec3d4d
-size 60477
diff --git a/ecdsa-0.15.tar.gz b/ecdsa-0.15.tar.gz
new file mode 100644
index 0000000..0b9923a
--- /dev/null
+++ b/ecdsa-0.15.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f12ac317f8a1318efa75757ef0a651abe12e51fc1af8838fb91079445227277
+size 122119
diff --git a/python-ecdsa.changes b/python-ecdsa.changes
index 5405802..a62781e 100644
--- a/python-ecdsa.changes
+++ b/python-ecdsa.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Feb 24 15:34:49 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
+
+- update to 0.15
+- fix fdupes usage
+ * extra long changelog - see NEWS file
+
 -------------------------------------------------------------------
 Mon Oct 14 21:41:55 UTC 2019 - Robert Schweikert <rjschwei@suse.com>
 
diff --git a/python-ecdsa.spec b/python-ecdsa.spec
index 8e80f6c..6f4f3e5 100644
--- a/python-ecdsa.spec
+++ b/python-ecdsa.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-ecdsa
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,13 +18,13 @@
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-ecdsa
-Version:        0.13.3
+Version:        0.15
 Release:        0
 Summary:        ECDSA cryptographic signature library (pure python)
 License:        MIT
-Group:          Development/Languages/Python
-URL:            http://github.com/warner/python-ecdsa
+URL:            https://github.com/warner/python-ecdsa
 Source:         https://files.pythonhosted.org/packages/source/e/ecdsa/ecdsa-%{version}.tar.gz
+BuildRequires:  %{python_module hypothesis}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module six}
@@ -32,6 +32,8 @@ BuildRequires:  fdupes
 BuildRequires:  openssl
 BuildRequires:  python-rpm-macros
 Requires:       python-six
+Suggests:       python-gmpy
+Suggests:       python-gmpy2
 BuildArch:      noarch
 %python_subpackages
 
@@ -54,8 +56,7 @@ find ./ -type f -name "*.py" -perm 644 -exec sed -i -e '1{\@^#! %{_bindir}/env p
 %install
 %python_install
 
-#hardlink duplicated files
-%fdupes %{buildroot}
+%python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
 %pytest