diff --git a/transactionoutbox-spring/pom.xml b/transactionoutbox-spring/pom.xml
index fb068908..83f06084 100644
--- a/transactionoutbox-spring/pom.xml
+++ b/transactionoutbox-spring/pom.xml
@@ -16,7 +16,7 @@
   </description>
 
   <properties>
-    <spring.boot.version>2.5.4</spring.boot.version>
+    <spring.boot.version>2.5.5</spring.boot.version>
     <spring.version>5.3.10</spring.version>
   </properties>