Remove references to BinTray in SBT Docker image

Change-Id: I1bd5880048c31002884bea648816abc41594184e
diff --git a/jenkins-docker/slave-sbt/Dockerfile b/jenkins-docker/slave-sbt/Dockerfile
index 39f2e24..78222f2 100644
--- a/jenkins-docker/slave-sbt/Dockerfile
+++ b/jenkins-docker/slave-sbt/Dockerfile
@@ -3,8 +3,9 @@
 # SBT Setup
 RUN apt-get update --allow-releaseinfo-change && \
     apt-get -y install apt-transport-https && \
-    echo "deb https://dl.bintray.com/sbt/debian /" | tee -a /etc/apt/sources.list.d/sbt.list && \
-    apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 642AC823 && \
+    echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" | tee /etc/apt/sources.list.d/sbt.list && \
+    echo "deb https://repo.scala-sbt.org/scalasbt/debian /" | tee /etc/apt/sources.list.d/sbt_old.list && \
+    curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | apt-key add && \
     apt-get update --allow-releaseinfo-change && \
     apt-get -y install --no-install-recommends sbt && \
     rm -rf /etc/apt/sources.list.d/* && \