diff --git a/build.clj b/build.clj
index 33c7b083..fcfa1978 100644
--- a/build.clj
+++ b/build.clj
@@ -60,11 +60,3 @@
   (println "Pushing changes ...")
   (build/process {:dir publish-dir
               :command-args ["git" "push"]}))
-
-(def basis (delay (build/create-basis {:project "deps.edn"})))
-
-(defn compile-java [& _]
-  (build/delete {:path "target/classes"})
-  (build/javac {:src-dirs ["gen"]
-                :class-dir "gen/classes"
-                :basis @basis}))
\ No newline at end of file
diff --git a/deps.edn b/deps.edn
index 8e5daabc..6b789573 100644
--- a/deps.edn
+++ b/deps.edn
@@ -1,8 +1,8 @@
 {:deps {org.clojure/clojure {:mvn/version "1.11.1"}
-        org.antlr/antlr4-runtime {:mvn/version "4.13.1"}
+        com.walmartlabs/lacinia-parser {:local/root "./gen"}
         org.flatland/ordered {:mvn/version "1.15.10"}
         org.clojure/data.json {:mvn/version "2.4.0"}}
- :paths ["src" "resources" "gen/src" "gen/classes"]
+ :paths ["src" "resources" "gen/target"]
  :aliases
  {:dev
   {:extra-deps {criterium/criterium {:mvn/version "0.4.6"}
diff --git a/gen/build.clj b/gen/build.clj
new file mode 100644
index 00000000..c5f77b17
--- /dev/null
+++ b/gen/build.clj
@@ -0,0 +1,26 @@
+; Copyright (c) 2021-present Walmart, Inc.
+;
+; Licensed under the Apache License, Version 2.0 (the "License")
+; you may not use this file except in compliance with the License.
+; You may obtain a copy of the License at
+;
+;     http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing, software
+; distributed under the License is distributed on an "AS IS" BASIS,
+; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+; See the License for the specific language governing permissions and
+; limitations under the License.
+
+;; clj -T:build <var>
+
+(ns build
+  (:require [clojure.tools.build.api :as build]))
+
+(def basis (delay (build/create-basis {:project "deps.edn"})))
+
+(defn compile-java [& _]
+  (build/delete {:path "target/classes"})
+  (build/javac {:src-dirs ["src"]
+                :class-dir "target/classes"
+                :basis @basis}))
\ No newline at end of file
diff --git a/gen/deps.edn b/gen/deps.edn
new file mode 100644
index 00000000..d4ec472f
--- /dev/null
+++ b/gen/deps.edn
@@ -0,0 +1,9 @@
+{:deps {org.antlr/antlr4-runtime {:mvn/version "4.13.1"}}
+ :paths ["src" "target/classes"]
+ :deps/prep-lib {:ensure "target/classes"
+                 :alias :build
+                 :fn compile-java}
+ :aliases
+ {:build {:deps {io.github.hlship/build-tools
+                 {:git/tag "0.10.1" :git/sha "7ecff5"}}
+          :ns-default build}}}
\ No newline at end of file
diff --git a/resources/com/walmartlabs/lacinia/Graphql.g4 b/gen/src/com/walmartlabs/lacinia/Graphql.g4
similarity index 100%
rename from resources/com/walmartlabs/lacinia/Graphql.g4
rename to gen/src/com/walmartlabs/lacinia/Graphql.g4
diff --git a/resources/com/walmartlabs/lacinia/GraphqlSchema.g4 b/gen/src/com/walmartlabs/lacinia/GraphqlSchema.g4
similarity index 100%
rename from resources/com/walmartlabs/lacinia/GraphqlSchema.g4
rename to gen/src/com/walmartlabs/lacinia/GraphqlSchema.g4