diff --git a/app/current/src/main/scala/io/scalajs/nodejs/crypto/Certificate.scala b/app/current/src/main/scala/io/scalajs/nodejs/crypto/Certificate.scala
index ed6d6efc9..6494a23e9 100644
--- a/app/current/src/main/scala/io/scalajs/nodejs/crypto/Certificate.scala
+++ b/app/current/src/main/scala/io/scalajs/nodejs/crypto/Certificate.scala
@@ -6,6 +6,7 @@ import scala.scalajs.js
 import scala.scalajs.js.annotation.JSImport
 import scala.scalajs.js.|
 
+@deprecated("Legacy API, not recommended to create new instance. Use Certificate object.", "v0.10.0")
 @js.native
 @JSImport("crypto", "Certificate")
 class Certificate extends js.Object {
diff --git a/app/current/src/main/scala/io/scalajs/nodejs/crypto/Crypto.scala b/app/current/src/main/scala/io/scalajs/nodejs/crypto/Crypto.scala
index a1d4af391..8aae4b36f 100644
--- a/app/current/src/main/scala/io/scalajs/nodejs/crypto/Crypto.scala
+++ b/app/current/src/main/scala/io/scalajs/nodejs/crypto/Crypto.scala
@@ -282,6 +282,7 @@ trait Crypto extends js.Object {
 @js.native
 @JSImport("crypto", JSImport.Namespace)
 object Crypto extends Crypto {
+  @deprecated("Legacy API, not recommended to create new instance. Use Certificate object.", "v0.10.0")
   type Certificate   = io.scalajs.nodejs.crypto.Certificate
   type Cipher        = io.scalajs.nodejs.crypto.Cipher
   type Decipher      = io.scalajs.nodejs.crypto.Decipher