diff --git a/libass-0.15.0.tar.xz b/libass-0.15.0.tar.xz
deleted file mode 100644
index 0c69f39..0000000
--- a/libass-0.15.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9f09230c9a0aa68ef7aa6a9e2ab709ca957020f842e52c5b2e52b801a7d9e833
-size 367848
diff --git a/libass-0.15.1.tar.xz b/libass-0.15.1.tar.xz
new file mode 100644
index 0000000..7c2c6a2
--- /dev/null
+++ b/libass-0.15.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1cdd39c9d007b06e737e7738004d7f38cf9b1e92843f37307b24e7ff63ab8e53
+size 369884
diff --git a/libass.changes b/libass.changes
index ec58d69..1f326c0 100644
--- a/libass.changes
+++ b/libass.changes
@@ -1,3 +1,28 @@
+-------------------------------------------------------------------
+Mon May  3 15:58:23 UTC 2021 - Ferdinand Thiessen <rpm@fthiessen.de>
+
+- Update to version 0.15.1
+  * Bugfix release, no significant API or ABI changes
+  * Fix crashing on some ASS files with embedded fonts
+  * Fix total font fallback failure with some fonts on Core Text
+  * Fix embedded and memory fonts not actually being used unless
+    ass_set_fonts was called after they have been added
+  * Fix events assuming the largest xbord-value of a preceding event
+    of the same frame during collision handling
+  * Fix shift in vertical positioning of some right-to-left events
+    with \an4-6, \pos, \move or Scroll effects
+  * Fix imprecise output for \be with huge argument
+  * Overhaul x86 assembly for better performance
+  * Reduce temporary allocation in rendering
+  * DirectWrite: request fonts on demand for better performance and
+    improved compatibility with external on-demand font activation
+  * Accept pointers to const as arguments to ass_add_font
+  * Improve VSFilter compatibility:
+    * Disregard zero area events in collision handling
+    * Do not apply \fsp to vector drawings
+    * Fix bug preventing cutting out glyphs from border & shadow
+      with abnormal \fad values
+
 -------------------------------------------------------------------
 Sat Nov 28 15:28:46 UTC 2020 - Luigi Baldoni <aloisio@gmx.com>
 
diff --git a/libass.spec b/libass.spec
index 3db4278..631a1bb 100644
--- a/libass.spec
+++ b/libass.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libass
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,13 +18,13 @@
 
 %define sover   9
 Name:           libass
-Version:        0.15.0
+Version:        0.15.1
 Release:        0
 Summary:        Library for SSA/ASS-formatted subtitle rendering
 License:        ISC
 Group:          Development/Libraries/C and C++
 URL:            https://github.com/libass/libass
-Source:         https://github.com/libass/libass/releases/download/%{version}/%{name}-%{version}.tar.xz
+Source:         %{URL}/releases/download/%{version}/%{name}-%{version}.tar.xz
 Source99:       baselibs.conf
 BuildRequires:  nasm
 BuildRequires:  pkgconfig