SSLHandshakeException: Connection closed by peer

I’m getting this exception from time to time after updating Lock.Android from 2.8.2 to 2.8.3:

Non-fatal Exception: com.auth0.android.authentication.AuthenticationException: Request failed
       at com.auth0.android.request.internal.AuthenticationErrorBuilder.from(AuthenticationErrorBuilder.java:3018)
       at com.auth0.android.request.internal.BaseRequest.onFailure$349ed88b(BaseRequest.java:151)
       at com.squareup.okhttp.Call$AsyncCall.execute(Call.java:185)
       at com.squareup.okhttp.internal.NamedRunnable.run(NamedRunnable.java:33)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
       at java.lang.Thread.run(Thread.java:764)
Caused by com.auth0.android.Auth0Exception: Failed to execute request to https://xxx.eu.auth0.com/delegation
       at com.auth0.android.request.internal.BaseRequest.onFailure$349ed88b(BaseRequest.java:150)
       at com.squareup.okhttp.Call$AsyncCall.execute(Call.java:185)
       at com.squareup.okhttp.internal.NamedRunnable.run(NamedRunnable.java:33)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
       at java.lang.Thread.run(Thread.java:764)
Caused by javax.net.ssl.SSLHandshakeException: Connection closed by peer
       at com.android.org.conscrypt.NativeCrypto.SSL_do_handshake(NativeCrypto.java)
       at com.android.org.conscrypt.SslWrapper.doHandshake(SslWrapper.java:374)
       at com.android.org.conscrypt.ConscryptFileDescriptorSocket.startHandshake(ConscryptFileDescriptorSocket.java:217)
       at com.squareup.okhttp.internal.io.RealConnection.connectTls(RealConnection.java:7192)
       at com.squareup.okhttp.internal.http.StreamAllocation.findConnection(StreamAllocation.java:184)
       at com.squareup.okhttp.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:126)
       at com.squareup.okhttp.internal.http.StreamAllocation.newStream(StreamAllocation.java:95)
       at com.squareup.okhttp.Call.com.squareup.okhttp.internal.http.HttpEngine.connect(Call.java:23281)
       at com.squareup.okhttp.Call$ApplicationInterceptorChain.proceed(Call.java:243)
       at com.squareup.okhttp.Call$AsyncCall.com.squareup.okhttp.Call.getResponseWithInterceptorChain(Call.java:3205)
       at com.squareup.okhttp.internal.NamedRunnable.run(NamedRunnable.java:33)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
       at java.lang.Thread.run(Thread.java:764)

• Lock version: com.auth0.android:lock:2.8.3
• Android version & Phone Model:

• Versions of Gradle: gradle-4.6-all
• Android Plugin: 3.1.1-3.1.2
• Build tools: 27.0.3
• Android SDK: 19-27

Any idea? Thanks for your help.