diff --git a/libpfm.yaml b/libpfm.yaml
index 711cc14..c12e7ce 100644
--- a/libpfm.yaml
+++ b/libpfm.yaml
@@ -1,4 +1,4 @@
 version_control: git
-src_repo:  https://git.code.sf.net/p/perfmon2/perfmon2
-tag_prefix: libpfm- 
-seperator: .
+src_repo:  https://git.code.sf.net/p/perfmon2/libpfm4 perfmon2-libpfm4
+tag_prefix: "^v" 
+seperator: "."