diff --git a/.gitignore b/.gitignore
index 1974549..bca8db6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /alembic-1.7.11.tar.gz
 /alembic-1.7.12.tar.gz
 /alembic-1.7.11-0002-Find-IlmBase-by-setting-a-proper-ILMBASE_ROOT-value.patch
+/alembic-1.7.13.tar.gz
diff --git a/alembic.spec b/alembic.spec
index f48641b..d6e3a72 100644
--- a/alembic.spec
+++ b/alembic.spec
@@ -5,8 +5,8 @@
 # Python Module
 
 Name:           alembic
-Version:        1.7.12
-Release:        3%{?dist}
+Version:        1.7.13
+Release:        1%{?dist}
 Summary:        Open framework for storing and sharing scene data
 License:        BSD
 URL:            http://alembic.io/
@@ -23,8 +23,8 @@ BuildRequires:  hdf5-devel
 
 # Per https://github.com/alembic/alembic/blob/master/README.txt
 # alembic actually needs ilmbase, not OpenEXR.
-BuildRequires:  ilmbase-devel
-BuildRequires:  zlib-devel
+BuildRequires:  pkgconfig(IlmBase)
+BuildRequires:  pkgconfig(zlib)
 
 %description
 Alembic is an open computer graphics interchange framework. Alembic distills
@@ -99,6 +99,9 @@ export CXXFLAGS="%{optflags} -Wl,--as-needed"
 %{_libdir}/libAlembic.so
 
 %changelog
+* Mon Jul 13 2020 Luya Tshimbalanga <luya@fedoraproject.org> - 1.7.13-1
+- Update to 1.7.13 (#1856031)	
+
 * Thu Jun 25 2020 Orion Poplawski <orion@cora.nwra.com> - 1.7.12-3
 - Rebuild for hdf5 1.10.6
 
diff --git a/sources b/sources
index 404c760..2da3c9d 100644
--- a/sources
+++ b/sources
@@ -1,2 +1 @@
-SHA512 (alembic-1.7.12.tar.gz) = e05e0b24056c17f01784ced1f9606a269974de195f1aca8a6fce2123314e7ee609f70df77ac7fe18dc7f0c04fb883d38cc7de9b963caacf9586aaa24d4ac6210
-SHA512 (alembic-1.7.11-0002-Find-IlmBase-by-setting-a-proper-ILMBASE_ROOT-value.patch) = 6aa6eaff11d9abffb0b3b72db53a83d0780ddef4f9f22c94acfd239870355334c44c09df22ac85a7bde37e0b067f8c5f2c0b6a181c4a8a8ed61dbadaa4d09555
+SHA512 (alembic-1.7.13.tar.gz) = 1dcaf1e42f098e6052ec93aa0af99d3ab99d40d570aaa71cb980092be68e440982b05d0230a4543efa01dbd4e82fe617c70e0b3b2548bf9836a553f41f8232b1