diff --git a/project/BouncyCastlePlugin.scala b/project/BouncyCastlePlugin.scala
index 01319ed..5b0b3c5 100644
--- a/project/BouncyCastlePlugin.scala
+++ b/project/BouncyCastlePlugin.scala
@@ -74,7 +74,7 @@ object BouncyCastlePlugin extends AutoPlugin {
         sourceDirectory := (ThisBuild / baseDirectory).value / "core" / "src",
         libraryDependencies ++= {
           Seq(
-            "org.typelevel" %% "cats-core" % "2.12.0",
+            "org.typelevel" %% "cats-core" % "2.13.0",
             "org.typelevel" %% "cats-effect" % "3.5.7",
             "co.fs2" %% "fs2-core" % "3.11.0",
             "co.fs2" %% "fs2-io" % "3.11.0",