diff --git a/baselibs.conf b/baselibs.conf
new file mode 100644
index 0000000..817fe67
--- /dev/null
+++ b/baselibs.conf
@@ -0,0 +1 @@
+libgraphene-1_0-0
diff --git a/graphene.changes b/graphene.changes
index a4dca9b..f87389c 100644
--- a/graphene.changes
+++ b/graphene.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Feb 28 18:30:47 UTC 2017 - dimstar@opensuse.org
+
+- Add baselibs.conf: produce libgraphene-1_0-0-32bit, required by
+  gtk4.
+
 -------------------------------------------------------------------
 Wed Jan 11 13:19:22 UTC 2017 - zaitor@opensuse.org
 
diff --git a/graphene.spec b/graphene.spec
index 2d55f61..69a776b 100644
--- a/graphene.spec
+++ b/graphene.spec
@@ -24,6 +24,7 @@ License:        MIT
 Group:          Development/Languages/C and C++
 Url:            http://ebassi.github.io/graphene/
 Source:         https://github.com/ebassi/graphene/archive/%{version}/%{name}-%{version}.tar.gz
+Source99:       baselibs.conf
 BuildRequires:  gobject-introspection-devel
 BuildRequires:  meson >= 0.36.0
 BuildRequires:  pkgconfig