diff --git a/CHANGES b/CHANGES
index 53948da992..bffffa6d1b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+8.0.0-dev.599 | 2025-07-07 18:17:15 +0200
+
+  * Bump zeekjs to v0.18.0 (Arne Welzel, Corelight)
+
 8.0.0-dev.597 | 2025-07-07 18:13:44 +0200
 
   * fix for error in ZAM's constant propagation logic (Vern Paxson, Corelight)
diff --git a/VERSION b/VERSION
index 61c4cf4f3c..2aeba4637d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.0.0-dev.597
+8.0.0-dev.599
diff --git a/auxil/zeekjs b/auxil/zeekjs
index b3406488d3..1b7071e294 160000
--- a/auxil/zeekjs
+++ b/auxil/zeekjs
@@ -1 +1 @@
-Subproject commit b3406488d3782759e6a3ee9439d22bf75a180ea2
+Subproject commit 1b7071e294fde14230c5908a2f0b05228d9d695c