diff --git a/WORKSPACE b/WORKSPACE
index 7f032f56cd..c7ec917ff8 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -56,10 +56,12 @@ stack_snapshot(
         "fused-effects",
         "fused-effects-readline",
         "fused-syntax",
+        "generic-lens",
         "generic-monoid",
         "hashable",
         "haskeline",
         "hedgehog",
+        "lens",
         "optparse-applicative",
         "pathtype",
         "parsers",
diff --git a/semantic-scope-graph/BUILD.bazel b/semantic-scope-graph/BUILD.bazel
new file mode 100644
index 0000000000..907889e87f
--- /dev/null
+++ b/semantic-scope-graph/BUILD.bazel
@@ -0,0 +1,42 @@
+# Set all target’s visibility in this package to "public".
+package(default_visibility = ["//visibility:public"])
+
+# Load rules_haskell rules.
+load(
+    "@rules_haskell//haskell:defs.bzl",
+    "haskell_toolchain_library",
+    "haskell_library",
+    "haskell_binary",
+)
+
+load("@rules_haskell//haskell:cabal.bzl", "haskell_cabal_binary", "haskell_cabal_library")
+
+# haskell_toolchain_library can access builtin GHC packages
+# and assign them a bazel target name, so that they
+# can be referenced as dependencies.
+haskell_toolchain_library(name = "base")
+
+# You can add your own libraries with haskell_library.
+haskell_library(
+    name = "lib",
+    src_strip_prefix = "src",
+    srcs = glob(['src/**/*.hs']),
+    compiler_flags = ["-XOverloadedStrings"],
+    deps = [
+        ":base",
+        "//semantic-analysis:lib",
+        "//semantic-source:lib",
+        "@stackage//:aeson",
+        "@stackage//:algebraic-graphs",
+        "@stackage//:containers",
+        "@stackage//:fused-effects",
+        "@stackage//:generic-monoid",
+        "@stackage//:generic-lens",
+        "@stackage//:hashable",
+        "@stackage//:lens",
+        "@stackage//:pathtype",
+        "@stackage//:semilattices",
+        "@stackage//:text",
+    ]
+
+)