diff --git a/proj-5.1.0.tar.gz b/proj-5.1.0.tar.gz
deleted file mode 100644
index c29e1a7..0000000
--- a/proj-5.1.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6b1379a53317d9b5b8c723c1dc7bf2e3a8eb22ceb46b8807a1ce48ef65685bb3
-size 1006324
diff --git a/proj-5.2.0.tar.gz b/proj-5.2.0.tar.gz
new file mode 100644
index 0000000..8ebee60
--- /dev/null
+++ b/proj-5.2.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef919499ffbc62a4aae2659a55e2b25ff09cccbbe230656ba71c6224056c7e60
+size 1398188
diff --git a/proj.changes b/proj.changes
index 243a006..88bbb9f 100644
--- a/proj.changes
+++ b/proj.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Sep 19 09:56:08 UTC 2018 - Martin Pluskal <mpluskal@suse.com>
+
+- Update to version 5.2.0 and datumgrid 1.7
+  * See provided NEWS for list of all changes
+
 -------------------------------------------------------------------
 Thu Jul 12 08:45:57 UTC 2018 - mpluskal@suse.com
 
diff --git a/proj.spec b/proj.spec
index b3c9109..9028368 100644
--- a/proj.spec
+++ b/proj.spec
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -20,7 +20,7 @@
 %define sover   13
 %define libname lib%{name}%{sover}
 Name:           proj
-Version:        5.1.0
+Version:        5.2.0
 Release:        0
 Summary:        Cartographic projection software
 License:        MIT
@@ -28,6 +28,7 @@ Group:          Productivity/Scientific/Other
 URL:            https://trac.osgeo.org/proj/
 Source0:        http://download.osgeo.org/proj/%{name}-%{version}.tar.gz
 Source1:        http://download.osgeo.org/proj/%{name}-datumgrid-%{gridver}.zip
+BuildRequires:  gcc-c++
 BuildRequires:  pkgconfig
 BuildRequires:  unzip
 Provides:       libproj = %{version}