diff --git a/rust.changes b/rust.changes
index 8f20292..7e81006 100644
--- a/rust.changes
+++ b/rust.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Mar 26 05:11:31 UTC 2024 - William Brown <william.brown@suse.com>
+
+- Update to version 1.77.0 - for details see the rust1.77 package
+
 -------------------------------------------------------------------
 Fri Feb  9 00:57:50 UTC 2024 - William Brown <william.brown@suse.com>
 
diff --git a/rust.spec b/rust.spec
index 00cb127..a46abe6 100644
--- a/rust.spec
+++ b/rust.spec
@@ -17,10 +17,11 @@
 #
 
 
-%global version_suffix 1.76
-%global version_current 1.76.0
+%global version_suffix 1.77
+%global version_current 1.77.0
 
 %define obsolete_rust_versioned() \
+Obsoletes:      %{1}1.76%{?2:-%{2}} \
 Obsoletes:      %{1}1.75%{?2:-%{2}} \
 Obsoletes:      %{1}1.74%{?2:-%{2}} \
 Obsoletes:      %{1}1.73%{?2:-%{2}} \