diff --git a/opusfile.spec b/opusfile.spec
index a9a0fc4..9141c85 100644
--- a/opusfile.spec
+++ b/opusfile.spec
@@ -1,6 +1,6 @@
 Name:          opusfile
 Version:       0.12
-Release:       1mamba
+Release:       2mamba
 Summary:       A high-level API for decoding and seeking within .opus files on disk or over http(s)
 Group:         Applications/Multimedia
 Vendor:        openmamba
@@ -42,6 +42,11 @@ This package contains libraries and header files for developing applications tha
 
 %prep
 %setup -q
+cat > package_version << _EOF
+AUTO_UPDATE=no
+PACKAGE_VERSION="%{version}"
+_EOF
+
 ./autogen.sh
 
 %build
@@ -85,5 +90,8 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Sun Jul 31 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.12-2mamba
+- fix version in pkgconfig files
+
 * Wed Jun 23 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.12-1mamba
 - package created using the webbuild interface