diff --git a/pom.xml b/pom.xml
index 173ac1919e..d885fb7708 100644
--- a/pom.xml
+++ b/pom.xml
@@ -194,7 +194,7 @@
     <lucene.version>8.4.0</lucene.version>
     <marineapi.version>0.11.0</marineapi.version>
     <nashorn.version>15.3</nashorn.version>
-    <netty3.version>3.9.4.Final</netty3.version> <!-- Can not upgrade to 3.10.6 because it breaks Geotk build. -->
+    <netty3.version>3.9.8.Final</netty3.version> <!-- Can not upgrade to 3.10.6 because it breaks Geotk build. -->
     <postgis.version>2.3.0</postgis.version>
     <quartz.version>2.3.1</quartz.version>
     <woodstox.version>6.0.0</woodstox.version>