diff --git a/CHANGES b/CHANGES
index a3f95db4c7..c6153bc9cb 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,9 @@
+8.1.0-dev.563 | 2025-09-22 07:33:42 -0700
+
+  * Bump libkqueue to latest upstream master (Tim Wojtulewicz, Corelight)
+
+  * Fix clang-tidy finding in recent script_opt changes (Tim Wojtulewicz, Corelight)
+
 8.1.0-dev.559 | 2025-09-17 14:28:32 -0700
 
   * tracking of event groups for compilation to standalone-C++ (Vern Paxson, Corelight)
diff --git a/NEWS b/NEWS
index 537f75fca7..eedb83e78c 100644
--- a/NEWS
+++ b/NEWS
@@ -6,7 +6,8 @@ release. For an exhaustive list of changes, see the ``CHANGES`` file
 Zeek 8.1.0
 ==========
 
-We would like to thank Klemens Nanni (@klemens-ya) for their contributions to this release.
+We would like to thank @chrisjlly and Klemens Nanni (@klemens-ya) for their contributions
+to this release.
 
 Breaking Changes
 ----------------
diff --git a/VERSION b/VERSION
index e7a1d8a3a4..72882206a0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.1.0-dev.559
+8.1.0-dev.563
diff --git a/auxil/libkqueue b/auxil/libkqueue
index a83d56aa2b..ea30540c77 160000
--- a/auxil/libkqueue
+++ b/auxil/libkqueue
@@ -1 +1 @@
-Subproject commit a83d56aa2bd9ba303c112478eb38d7e8e09c44da
+Subproject commit ea30540c77679ced3ce7886199384e8743628921