diff --git a/google-cloud-core-1.3.0.tar.gz b/google-cloud-core-1.3.0.tar.gz
deleted file mode 100644
index b08688a..0000000
--- a/google-cloud-core-1.3.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:878f9ad080a40cdcec85b92242c4b5819eeb8f120ebc5c9f640935e24fc129d8
-size 32437
diff --git a/google-cloud-core-1.6.0.tar.gz b/google-cloud-core-1.6.0.tar.gz
new file mode 100644
index 0000000..bff76d0
--- /dev/null
+++ b/google-cloud-core-1.6.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6abb18527545379fc82efc4de75ce9a3772ccad2fc645adace593ba097cbb02
+size 34889
diff --git a/python-google-cloud-core.changes b/python-google-cloud-core.changes
index 1ffa5c4..c3ee2f1 100644
--- a/python-google-cloud-core.changes
+++ b/python-google-cloud-core.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Tue Apr  6 07:45:12 UTC 2021 - Dirk Müller <dmueller@suse.com>
+
+- update to 1.6.0:
+  * add mtls support
+  * infer project from explicit service account creds
+  * add support for Python 3.9, drop support for Python 3.5
+  * require six>=1.12.0 and google-api-core>=1.21.
+  * avoid using 'pkg_resources' to determine version
+  * handle query_params tuples in JSONConnection.build_api_url
+  * add quota_project, credentials file, and scopes options
+  * add support for Python 3.8  
+
 -------------------------------------------------------------------
 Mon Apr 20 11:50:58 UTC 2020 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-google-cloud-core.spec b/python-google-cloud-core.spec
index 0d40f3b..d38629e 100644
--- a/python-google-cloud-core.spec
+++ b/python-google-cloud-core.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-google-cloud-core
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,21 +19,24 @@
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %bcond_without python2
 Name:           python-google-cloud-core
-Version:        1.3.0
+Version:        1.6.0
 Release:        0
 Summary:        Google Cloud API client core library
 License:        Apache-2.0
 Group:          Development/Languages/Python
-URL:            https://github.com/GoogleCloudPlatform/google-cloud-python
+URL:            https://github.com/googleapis/python-cloud-core
 Source:         https://files.pythonhosted.org/packages/source/g/google-cloud-core/google-cloud-core-%{version}.tar.gz
-BuildRequires:  %{python_module google-api-core >= 1.16.0}
+BuildRequires:  %{python_module google-api-core >= 1.21.0}
+BuildRequires:  %{python_module google-auth >= 1.24.0}
 BuildRequires:  %{python_module grpcio >= 1.8.2}
 BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
-Requires:       python-google-api-core >= 1.16.0
+Requires:       python-google-api-core >= 1.21.0
+Requires:       python-google-auth >= 1.24.0
+Requires:       python-six >= 1.12.0
 Recommends:     python-grpcio >= 1.8.2
 BuildArch:      noarch
 %if %{with python2}