diff --git a/CHANGES b/CHANGES
index 447e8bb588..fac7daf3bc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+5.2.0-dev.637 | 2023-02-03 09:05:15 -0700
+
+  * Bump spicy-plugin to latest development snapshot. (Benjamin Bannier, Corelight)
+
 5.2.0-dev.635 | 2023-02-03 16:48:18 +0100
 
   * Add BIF `have_spicy_analyzers()`. (Robin Sommer, Corelight)
diff --git a/VERSION b/VERSION
index ad4e021f11..c86e9a4245 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.2.0-dev.635
+5.2.0-dev.637
diff --git a/auxil/spicy-plugin b/auxil/spicy-plugin
index bd5a32f5c7..34178f0b84 160000
--- a/auxil/spicy-plugin
+++ b/auxil/spicy-plugin
@@ -1 +1 @@
-Subproject commit bd5a32f5c78e1cc1d60b8f010797fe3fb5a6c3aa
+Subproject commit 34178f0b8402475a1049e4eec6ec0df2731f8ebe