diff --git a/libphdi.changes b/libphdi.changes
index 39332f7..f905230 100644
--- a/libphdi.changes
+++ b/libphdi.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Aug  8 11:37:44 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
+
+- Add forced symvers
+
 -------------------------------------------------------------------
 Tue Mar  1 19:00:08 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/libphdi.spec b/libphdi.spec
index 87f447c..f46b42c 100644
--- a/libphdi.spec
+++ b/libphdi.spec
@@ -94,7 +94,11 @@ autoreconf -fi
 # OOT builds are presently broken, so we have to install
 # within each python iteration now, not in %%install.
 %{python_expand #
-%configure --disable-static --enable-wide-character-type --enable-python PYTHON_VERSION="%{$python_bin_suffix}"
+# see libcdata for version-sc
+echo "V_%version { global: *; };" >v.sym
+%configure --disable-static --enable-wide-character-type --enable-python \
+	PYTHON_VERSION="%{$python_bin_suffix}" \
+	LDFLAGS="-Wl,--version-script=$PWD/v.sym"
 %make_build
 %make_install DESTDIR="%_builddir/rt"
 %make_build clean