resolvers ++= Seq(
  "socrata releases" at "http://repository-socrata-oss.forge.cloudbees.com/release"
)

addSbtPlugin("com.socrata" % "socrata-cloudbees-sbt" % "1.3.1")

resolvers ++= Seq(
  "socrata releases" at "https://repository-socrata-oss.forge.cloudbees.com/release"
)

addSbtPlugin("com.socrata" % "socrata-cloudbees-sbt" % "1.3.1")

Use https for repos where possible.
Use https for repos where possible.
