diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..846c39f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,21 @@
+# Created by https://www.toptal.com/developers/gitignore/api/clojure
+# Edit at https://www.toptal.com/developers/gitignore?templates=clojure
+
+### Clojure ###
+pom.xml
+pom.xml.asc
+*.jar
+*.class
+/lib/
+/classes/
+/target/
+/checkouts/
+.lein-deps-sum
+.lein-repl-history
+.lein-plugins/
+.lein-failures
+.nrepl-port
+.cpcache/
+.clj-kondo/*/
+
+# End of https://www.toptal.com/developers/gitignore/api/clojure
diff --git a/bb.edn b/bb.edn
new file mode 100644
index 0000000..37672ca
--- /dev/null
+++ b/bb.edn
@@ -0,0 +1,37 @@
+{:deps {local/deps {:local/root "."}}
+ :paths ["src" "test"]
+
+ :tasks
+ {:init
+  (do
+    (defn kaocha [alias args]
+      (apply shell "bin/kaocha" alias args)))
+
+  test-9
+  {:task (kaocha :clj-1-9 *command-line-args*)}
+
+  test-10
+  {:task (kaocha :clj-1-10 *command-line-args*)}
+
+  test-11
+  {:task (kaocha :clj-1-11 *command-line-args*)}
+
+  test-clj
+  {:task (doseq [alias [:clj-1-9 :clj-1-10 :clj-1-11]]
+           (kaocha alias *command-line-args*))}
+
+  test-bb
+  {:requires ([clojure.test :as t]
+              [net.cgrand.xforms-test])
+   :task (t/run-tests 'net.cgrand.xforms-test)}
+
+  perf-bb
+  {:requires ([net.cgrand.xforms :as x])
+   :task
+   (let [n 10000
+         m (zipmap (range 100) (range))
+         mapping (map (fn [[k v]] [k (inc v)]))
+         xforing (x/for [[k v] _] [k (inc v)])]
+     (time (dotimes [_ n] (into {} mapping m)))
+     (time (dotimes [_ n] (into {} xforing m)))
+     (time (dotimes [_ n] (x/into {} xforing m))))}}}
diff --git a/bin/kaocha b/bin/kaocha
new file mode 100755
index 0000000..7f0174f
--- /dev/null
+++ b/bin/kaocha
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+set -x
+clojure -Srepro -M:kaocha:test"$1" "${@:2}"
diff --git a/deps.edn b/deps.edn
new file mode 100644
index 0000000..206736c
--- /dev/null
+++ b/deps.edn
@@ -0,0 +1,28 @@
+{:deps {net.cgrand/macrovich {:mvn/version "0.2.1"}}
+ :paths ["src"]
+
+ :aliases
+ {:dev
+  {:extra-paths ["dev"]}
+
+  :clj-1-9
+  {:extra-deps
+   {org.clojure/clojure {:mvn/version "1.9.0"}
+    org.clojure/clojurescript {:mvn/version "1.9.293"}}}
+
+  :clj-1-10
+  {:extra-deps
+   {org.clojure/clojure {:mvn/version "1.10.3"}
+    org.clojure/clojurescript {:mvn/version "1.10.914"}}}
+
+  :clj-1-11
+  {:extra-deps
+   {org.clojure/clojure {:mvn/version "1.11.1"}
+    org.clojure/clojurescript {:mvn/version "1.11.60"}}}
+
+  :test
+  {:extra-paths ["test"]}
+
+  :kaocha
+  {:extra-deps {lambdaisland/kaocha {:mvn/version "1.69.1069"}}
+   :main-opts ["-m" "kaocha.runner"]}}}
diff --git a/dev/user.clj b/dev/user.clj
new file mode 100644
index 0000000..ca9ada7
--- /dev/null
+++ b/dev/user.clj
@@ -0,0 +1,3 @@
+(ns user)
+
+(set! *warn-on-reflection* true)
diff --git a/project.clj b/project.clj
index 771ae0b..6498344 100644
--- a/project.clj
+++ b/project.clj
@@ -1,8 +1,14 @@
-(defproject net.cgrand/xforms "0.19.2"
+(defproject net.cgrand/xforms "0.19.3-SNAPSHOT"
   :description "Extra transducers for Clojure"
   :url "https://github.com/cgrand/xforms"
   :license {:name "Eclipse Public License"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
-  :dependencies [[org.clojure/clojure "1.8.0" :scope "provided"]
-                 [org.clojure/clojurescript "1.9.293" :scope "provided"]
-                 [net.cgrand/macrovich "0.2.0"]])
\ No newline at end of file
+
+  :plugins [[lein-tools-deps "0.4.5"]]
+  :middleware [lein-tools-deps.plugin/resolve-dependencies-with-deps-edn]
+  :lein-tools-deps/config {:config-files [:project]}
+
+  :profiles
+  {:provided
+   {:dependencies [[org.clojure/clojure "1.8.0"]
+                   [org.clojure/clojurescript "1.9.293"]]}})
diff --git a/tests.edn b/tests.edn
new file mode 100644
index 0000000..9d8d845
--- /dev/null
+++ b/tests.edn
@@ -0,0 +1 @@
+#kaocha/v1 {}