diff --git a/build.sbt b/build.sbt
index 7549f25..adcf0e9 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ val natchezVersion          = "0.3.10"
 val scala212Version         = "2.12.21"
 val scala213Version         = "2.13.18"
 val scala3Version           = "3.3.8"
-val slf4jVersion            = "2.0.19"
+val slf4jVersion            = "2.0.20"
 val munitCEVersion          = "2.2.1"
 val scalacheckEffectVersion = "2.1.0"
 val catsMtlVersion          = "1.7.0"