diff --git a/build.sbt b/build.sbt
index ecb14dc..991fb34 100644
--- a/build.sbt
+++ b/build.sbt
@@ -66,7 +66,7 @@ lazy val core = project
       "guru.nidi"      % "graphviz-rough" % "0.18.1" excludeAll ("guru.nidi" % "code-assert"),
       "io.dylemma"    %% "xml-spac"       % "0.8",
       "org.scalatest" %% "scalatest"      % "3.2.17"                         % Test,
-      "org.slf4j"      % "slf4j-nop"      % "1.7.36"                         % Test
+      "org.slf4j"      % "slf4j-nop"      % "2.0.16"                         % Test
     ),
     Test / fork              := true,
     Test / parallelExecution := false,