diff --git a/build.sbt b/build.sbt
index e7d4b6c044..06c0aaa7db 100644
--- a/build.sbt
+++ b/build.sbt
@@ -603,14 +603,13 @@ lazy val utilSecurity = Project(
   id = "util-security",
   base = file("util-security")
 ).settings(
-    sharedSettings
+    sharedScala3EnabledSettings
   ).settings(
     name := "util-security",
     libraryDependencies ++= Seq(
       scalacheckLib,
-      "org.scalatestplus" %% "scalacheck-1-14" % "3.1.2.0" % "test",
       snakeyaml
-    )
+    ) ++ scalatestScalacheckVersionedDep(scalaVersion.value)
   ).dependsOn(utilCore, utilLogging, utilSecurityTestCerts % "test")
 
 lazy val utilSecurityTestCerts = Project(
diff --git a/util-security/src/main/scala/com/twitter/util/security/X509CertificateDeserializer.scala b/util-security/src/main/scala/com/twitter/util/security/X509CertificateDeserializer.scala
index e208cb74c7..9b2b36f34d 100644
--- a/util-security/src/main/scala/com/twitter/util/security/X509CertificateDeserializer.scala
+++ b/util-security/src/main/scala/com/twitter/util/security/X509CertificateDeserializer.scala
@@ -3,7 +3,8 @@ package com.twitter.util.security
 import com.twitter.util.Try
 
 import java.io.ByteArrayInputStream
-import java.security.cert.{CertificateFactory, X509Certificate}
+import java.security.cert.CertificateFactory
+import java.security.cert.X509Certificate
 
 /**
  * A helper object to deserialize PEM-encoded X.509 Certificates.
@@ -15,7 +16,7 @@ import java.security.cert.{CertificateFactory, X509Certificate}
  */
 object X509CertificateDeserializer {
   private[this] val MessageType: String = "CERTIFICATE"
-  private[this] val deserializeX509: Array[Byte] => X509Certificate = { certBytes: Array[Byte] =>
+  private[this] val deserializeX509: Array[Byte] => X509Certificate = { (certBytes: Array[Byte]) =>
     val certFactory = CertificateFactory.getInstance("X.509")
     val certificate = certFactory
       .generateCertificate(new ByteArrayInputStream(certBytes))