diff --git a/Cargo.lock b/Cargo.lock
index c1b40f3..a011d47 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -400,6 +400,13 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "flow"
+version = "0.1.0"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "fluent"
 version = "0.16.0"
diff --git a/Cargo.toml b/Cargo.toml
index 9669ce8..62a8742 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,4 +9,5 @@ members = [
     "screenplay",
     "emseries",
     "coordinates",
+    "flow",
 ]
diff --git a/Makefile b/Makefile
index 6f50979..562cab0 100644
--- a/Makefile
+++ b/Makefile
@@ -11,12 +11,6 @@ changeset-dev:
 changeset-test:
 	cd changeset && make test
 
-flow-dev:
-	cd flow && make dev
-
-flow-test:
-	cd flow && make test
-
 kifu-core/dev:
 	cd kifu/core && make test
 
diff --git a/build.sh b/build.sh
index 3723d36..e113203 100755
--- a/build.sh
+++ b/build.sh
@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-RUST_ALL_TARGETS="dashboard ifc memorycache geo-types fluent-ergonomics cyberpunk-splash screenplay emseries coordinates"
+RUST_ALL_TARGETS="dashboard ifc memorycache geo-types fluent-ergonomics cyberpunk-splash screenplay emseries coordinates flow"
 
 build_rust_targets() {
     local CMD=$1