diff --git a/mingw64-filesystem.changes b/mingw64-filesystem.changes
index bfcb01e..1e7ab06 100644
--- a/mingw64-filesystem.changes
+++ b/mingw64-filesystem.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Wed Jul 20 07:11:15 UTC 2022 - Ralf Habacker <ralf.habacker@freenet.de>
+
+- Update to 20220801
+- Fetch real used shared library name from import libraries to avoid
+  file name generation errors, for example with mingw32-glib2
+- Scan all archives for shared library names as packages may not use
+  the default import library extension
+
 -------------------------------------------------------------------
 Tue Jul 12 07:18:39 UTC 2022 - Ralf Habacker <ralf.habacker@freenet.de>
 
diff --git a/mingw64-filesystem.spec b/mingw64-filesystem.spec
index 55f9fd6..540e177 100644
--- a/mingw64-filesystem.spec
+++ b/mingw64-filesystem.spec
@@ -31,7 +31,7 @@
 %define _rpmmacrodir %{_sysconfdir}/rpm
 %endif
 Name:           mingw64-filesystem
-Version:        20220620
+Version:        20220801
 Release:        0
 Summary:        MinGW base filesystem and environment
 License:        GPL-2.0-or-later
diff --git a/mingw64-find-requires.sh b/mingw64-find-requires.sh
index 7007b2f..d5006f0 100644
--- a/mingw64-find-requires.sh
+++ b/mingw64-find-requires.sh
@@ -106,11 +106,14 @@ for f in $dlls; do
         sed 's/\(.*\)/'"$target"'(\1)/'
 done | sort -u
 
+# scan import libraries - all archive files are scanned, not only
+# '.dll.a' as some packages do not use the standard extension
+# for import libraries
 if [ -n "$scan_implibs" ]; then
-    implibs=$(echo "$filelist" | grep '\.dll.a$')
+    implibs=$(echo "$filelist" | grep '\.a$')
     for f in $implibs; do
         [ ! -f "$f" ] && continue
-        "$OBJDUMP" -r "$f" | grep '_iname' | sed 's,^.*lib,lib,g;s,_iname,,g;s,_dll,.dll,g;s,_,-,g' |
+        "$STRINGS" "$f" | grep '\.dll$' |
             tr "[:upper:]" "[:lower:]" |
             grep -Ev "$exclude_pattern" |
             sed 's/\(.*\)/'"$target"'(\1)/'