diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 8d18178..8789f9b 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -23,8 +23,8 @@ object Dependencies {
 
 object Version {
   val cats = "2.13.0"
-  val nimbusJoseJwt = "10.4.1"
-  val bouncyCastle = "1.70"
+  val nimbusJoseJwt = "10.5"
+  val bouncyCastle = "1.81"
   val circe = "0.14.14"
   val scalaTest = "3.2.19"
   val scalaCheck = "1.18.1"
@@ -35,12 +35,14 @@ object Version {
 object Library {
   val cats = "org.typelevel" %% "cats-core" % Version.cats
   val nimbusJoseJwt = "com.nimbusds" % "nimbus-jose-jwt" % Version.nimbusJoseJwt
-  val bouncyCastle = "org.bouncycastle" % "bcpg-jdk15on" % Version.bouncyCastle
+  val bouncyCastle = "org.bouncycastle" % "bcpg-jdk18on" % Version.bouncyCastle
   val circeCore = "io.circe" %% "circe-core" % Version.circe
   val circeParser = "io.circe" %% "circe-parser" % Version.circe
   val circeOptics = "io.circe" %% "circe-optics" % "0.15.1"
   val scalaTest = "org.scalatest" %% "scalatest" % Version.scalaTest
   val scalaCheck = "org.scalacheck" %% "scalacheck" % Version.scalaCheck
-  val scalaTestPlusCheck = "org.scalatestplus" %% "scalacheck-1-17" % Version.scalaTestPlusScalaCheck
-  val scalaCheckDateTime = "com.47deg" %% "scalacheck-toolbox-datetime" % Version.scalaCheckDateTime
+  val scalaTestPlusCheck =
+    "org.scalatestplus" %% "scalacheck-1-17" % Version.scalaTestPlusScalaCheck
+  val scalaCheckDateTime =
+    "com.47deg" %% "scalacheck-toolbox-datetime" % Version.scalaCheckDateTime
 }