diff --git a/python-Rtree.changes b/python-Rtree.changes
index 7a8e91b..8ae06cc 100644
--- a/python-Rtree.changes
+++ b/python-Rtree.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed May 19 10:29:54 UTC 2021 - Ben Greiner <code@bnavigator.de>
+
+- Use a more sophisticated approach in order to find the correct
+  runtime dependency for libspatialindex
+
 -------------------------------------------------------------------
 Mon May 17 22:22:43 UTC 2021 - Ben Greiner <code@bnavigator.de>
 
diff --git a/python-Rtree.spec b/python-Rtree.spec
index edebe34..b52021e 100644
--- a/python-Rtree.spec
+++ b/python-Rtree.spec
@@ -32,9 +32,10 @@ BuildRequires:  %{python_module numpy}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
-BuildRequires:  libspatialindex4
+# only for the shlib requirement, no headers needed
+BuildRequires:  spatialindex-devel
 BuildRequires:  python-rpm-macros
-Requires:       libspatialindex4
+Requires:       %(rpm -q --queryformat "%%{NAME}" -f $(readlink -f %{_libdir}/libspatialindex.so))
 Provides:       python-rtree = %{version}-%{release}
 BuildArch:      noarch
 %python_subpackages