diff --git a/baselibs.conf b/baselibs.conf
new file mode 100644
index 0000000..c5023c4
--- /dev/null
+++ b/baselibs.conf
@@ -0,0 +1,3 @@
+libmpdec++3
+libmpdec3
+mpdecimal-devel
diff --git a/mpdecimal.changes b/mpdecimal.changes
index 50987f0..89c925c 100644
--- a/mpdecimal.changes
+++ b/mpdecimal.changes
@@ -3,6 +3,7 @@ Thu Sep  2 13:07:52 UTC 2021 - Matej Cepl <mcepl@suse.com>
 
 - Switch on _multibuild with the separate test step (to minimize
   dependencies).
+- Add a basic baselibs.conf.
 
 -------------------------------------------------------------------
 Tue Aug 10 00:04:52 UTC 2021 - Stefan Krah <skrah@bytereef.org>
diff --git a/mpdecimal.spec b/mpdecimal.spec
index 56b5381..860d961 100644
--- a/mpdecimal.spec
+++ b/mpdecimal.spec
@@ -33,6 +33,7 @@ Group:          Development/Libraries/C and C++
 URL:            https://www.bytereef.org/mpdecimal/index.html
 Source0:        https://www.bytereef.org/software/mpdecimal/releases/mpdecimal-%{version}.tar.gz
 Source1:        http://speleotrove.com/decimal/dectest.zip
+Source99:       baselibs.conf
 BuildRequires:  fdupes
 BuildRequires:  gcc
 BuildRequires:  gcc-c++