diff --git a/build.sbt b/build.sbt
index 4beabc4..be226db 100644
--- a/build.sbt
+++ b/build.sbt
@@ -32,7 +32,7 @@ ThisBuild / githubWorkflowPublishTargetBranches := Seq.empty
 val Http4sVersion = "0.23.28"
 val CirceVersion = "0.14.10"
 val MunitVersion = "1.0.2"
-val LogbackVersion = "1.5.8"
+val LogbackVersion = "1.5.9"
 val MunitCatsEffectVersion = "2.0.0"
 
 lazy val root = project.in(file("."))
diff --git a/src/main/g8/build.sbt b/src/main/g8/build.sbt
index 6b56059..6e6282c 100644
--- a/src/main/g8/build.sbt
+++ b/src/main/g8/build.sbt
@@ -1,7 +1,7 @@
 val Http4sVersion = "0.23.28"
 val CirceVersion = "0.14.10"
 val MunitVersion = "1.0.2"
-val LogbackVersion = "1.5.8"
+val LogbackVersion = "1.5.9"
 val MunitCatsEffectVersion = "2.0.0"
 
 lazy val root = (project in file("."))