diff --git a/nghttp2-1.50.0.tar.xz b/nghttp2-1.50.0.tar.xz
deleted file mode 100644
index bfaf24e..0000000
--- a/nghttp2-1.50.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:af24007e34c18c782393a1dc3685f8fd5b50283e90a9191d25488eb50aa2c825
-size 4110336
diff --git a/nghttp2-1.51.0.tar.xz b/nghttp2-1.51.0.tar.xz
new file mode 100644
index 0000000..830068d
--- /dev/null
+++ b/nghttp2-1.51.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:66aa76d97c143f42295405a31413e5e7d157968dad9f957bb4b015b598882e6b
+size 4115988
diff --git a/nghttp2.changes b/nghttp2.changes
index 6b57624..082e953 100644
--- a/nghttp2.changes
+++ b/nghttp2.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Nov 17 16:35:21 UTC 2022 - Dirk Müller <dmueller@suse.com>
+
+- update to 1.51.0:
+  * https://nghttp2.org/blog/2022/11/13/nghttp2-v1-51-0/
+  This release fixes affinity-cookie-stickiness parameter handling.
+
 -------------------------------------------------------------------
 Sat Sep 24 11:21:43 UTC 2022 - Dirk Müller <dmueller@suse.com>
 
diff --git a/nghttp2.spec b/nghttp2.spec
index 716d6e8..173d28d 100644
--- a/nghttp2.spec
+++ b/nghttp2.spec
@@ -32,7 +32,7 @@
 # issue and will be removed at the end of 2022
 %bcond_with asio
 Name:           nghttp2%{psuffix}
-Version:        1.50.0
+Version:        1.51.0
 Release:        0
 Summary:        Implementation of Hypertext Transfer Protocol version 2 in C
 License:        MIT