diff --git a/build.sbt b/build.sbt
index 10b1bc1..947d2fe 100644
--- a/build.sbt
+++ b/build.sbt
@@ -13,7 +13,7 @@ val V = new {
   val http4sErrors = "0.5.1"
   val http4sJdkHttpClient = "0.9.1"
   val jgit = "6.9.0.202403050737-r"
-  val logbackClassic = "1.4.14"
+  val logbackClassic = "1.5.6"
   val munit = "0.7.29"
   val munitTaglessFinal = "0.2.0"
   val proxyVole = "1.1.3"