diff --git a/CHANGES b/CHANGES
index 53d7409d2b..7522faabb5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+8.1.0-dev.536 | 2025-09-12 09:24:12 -0700
+
+  * Bump zeekctl for new trace-summary/pysubnettree versions (Tim Wojtulewicz, Corelight)
+
 8.1.0-dev.534 | 2025-09-11 10:57:17 -0700
 
   * Clean up initialization of DNS_Interpreter (Tim Wojtulewicz, Corelight)
diff --git a/VERSION b/VERSION
index d7b12d2654..9bf8416436 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.1.0-dev.534
+8.1.0-dev.536
diff --git a/auxil/zeekctl b/auxil/zeekctl
index 322ff78626..485abcad45 160000
--- a/auxil/zeekctl
+++ b/auxil/zeekctl
@@ -1 +1 @@
-Subproject commit 322ff7862667f7c65c91cfb9e532623327a768fb
+Subproject commit 485abcad45daeea6d09680e5fc7d29e97d2e3fbe