diff --git a/pom.xml b/pom.xml
index 4c5e5a6e..5e740205 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,7 +76,7 @@
 
     <!-- dependency versions a..z -->
     <apiguardian-api.version>1.0.0</apiguardian-api.version>
-    <assertj.version>3.26.0</assertj.version>
+    <assertj.version>3.26.3</assertj.version>
     <commons-compress.version>1.26.2</commons-compress.version>
     <!-- cannot upgrade graalvm to 23.0.0 which requires JDK >= 20 -->
     <graalvm.version>23.1.3</graalvm.version>