diff --git a/configs/community.dbuild b/configs/community.dbuild
index 3c0f053bc..84a985231 100644
--- a/configs/community.dbuild
+++ b/configs/community.dbuild
@@ -542,6 +542,14 @@ build += {
     extra.projects: ["coreJVM", "scodecJVM", "io"]  // no Scala.js, no benchmarks or docs
   }
 
+  ${vars.base} {
+    name: "fs2-reactive-streams"
+    uri:  ${vars.uris.fs2-reactive-streams-uri}
+    extra.sbt-version: ${vars.sbt-1-version}
+    extra.exclude: ["docs"]
+    check-missing: false  // ignore missing scalafmt
+  }
+
   ${vars.base} {
     name: "cats"
     uri:  ${vars.uris.cats-uri}
@@ -1590,8 +1598,6 @@ build += {
     extra.exclude: [
       // outside our purview
       "bench", "docs"
-      // Missing dependency: com.github.zainab-ali#fs2-reactive-streams
-      "async-http-client"
       // weird errors, probably not appropriate to run anyway
       "load-test"
     ]
@@ -1641,6 +1647,19 @@ build += {
     ]
   }
 
+  // in this space because it depends on circe-core.
+  // forked (February 2018) to remove Scalafmt -- not sure why the
+  // usual workarounds didn't work in this repo.
+  // (see https://github.com/scala/community-builds/pull/618)
+  ${vars.base} {
+    name: "sttp"
+    uri:  ${vars.uris.sttp-uri}
+    extra.sbt-version: ${vars.sbt-1-version}
+    // once sttp's master branch moves to a newer version of fs2-reactive-streams,
+    // we should be able to refresh our fork and then remove this exclusion
+    extra.exclude: ["tests"]
+  }
+
 ]}
 
 //// space: scalameta_1
diff --git a/configs/project-refs.conf b/configs/project-refs.conf
index 4376a0c5a..c4dabc2a2 100644
--- a/configs/project-refs.conf
+++ b/configs/project-refs.conf
@@ -33,6 +33,7 @@ vars.uris: {
   elastic4s-uri:                "https://github.com/sksamuel/elastic4s.git#release/5.4.x"
   fansi-uri:                    "https://github.com/scalacommunitybuild/fansi.git#community-build-2.12"  # was master
   fastparse-uri:                "https://github.com/lihaoyi/fastparse.git"
+  fs2-reactive-streams-uri:     "https://github.com/zainab-ali/fs2-reactive-streams.git"
   fs2-uri:                      "https://github.com/functional-streams-for-scala/fs2.git#series/0.10"
   genjavadoc-uri:               "https://github.com/lightbend/genjavadoc.git"
   geny-uri:                     "https://github.com/lihaoyi/geny.git"
@@ -139,6 +140,7 @@ vars.uris: {
   specs2-uri:                   "https://github.com/scalacommunitybuild/specs2.git#community-build-2.12"  # was etorreborre, specs2-3.x
   spray-json-uri:               "https://github.com/spray/spray-json.git"
   ssl-config-uri:               "https://github.com/lightbend/ssl-config.git"
+  sttp-uri:                     "https://github.com/scalacommunitybuild/sttp.git#community-build-2.12"  # was softwaremill, master
   tut-uri:                      "https://github.com/tpolecat/tut.git"
   twirl-uri:                    "https://github.com/playframework/twirl.git"
   twitter-util-uri:             "https://github.com/twitter/util.git#develop"