diff --git a/ugrep-5.1.0.tar.gz b/ugrep-5.1.0.tar.gz
deleted file mode 100644
index c5d1e76..0000000
--- a/ugrep-5.1.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a8ac8dfaaf67d082d03bad58e91888256eddf5584e8ebb852b3c16591f4b6b65
-size 6237377
diff --git a/ugrep-5.1.1.tar.gz b/ugrep-5.1.1.tar.gz
new file mode 100644
index 0000000..5975232
--- /dev/null
+++ b/ugrep-5.1.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:687fc43a02287bac18f973822036bb3c470a81825b8eb3d98a335603b249b13b
+size 6238147
diff --git a/ugrep.changes b/ugrep.changes
index 714aabb..f500f4e 100644
--- a/ugrep.changes
+++ b/ugrep.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Mar 11 22:06:29 UTC 2024 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- update to 5.1.1:
+  * fix a problem with POSIX lazy quantifier matching when combined
+    with anchors, causing longer pattern matches than expected
+
 -------------------------------------------------------------------
 Sat Mar  9 19:44:47 UTC 2024 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/ugrep.spec b/ugrep.spec
index 3c91412..dd40cee 100644
--- a/ugrep.spec
+++ b/ugrep.spec
@@ -18,7 +18,7 @@
 
 
 Name:           ugrep
-Version:        5.1.0
+Version:        5.1.1
 Release:        0
 Summary:        Universal grep: a feature-rich grep implementation with focus on speed
 License:        BSD-3-Clause