diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 51c4f6fb..dead115c 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -38,7 +38,7 @@ object Dependencies {
     val testContainers = "2.0.5"
     val junit = "4.13.2"
     val h2Driver = "2.4.240"
-    val jackson = "2.21.4" // this should match the version of jackson used by pekko-serialization-jackson
+    val jackson = "2.21.5" // this should match the version of jackson used by pekko-serialization-jackson
     val logback = "1.5.37"
   }