diff --git a/README.md b/README.md
index c3aec28..f155879 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ end
 for an order, we would use `order: %Order{id: "1234"}` instead of `order_id: "1234"`.
 
 - Date & Time - We use string fields to represent ISO 8601 formatted date and time fields. This is built into most
-languages by default, and if you are using elixir, you can simply use `DateTime.to_iso8601/1`.
+languages by default, and if you are using Elixir, you can simply use `DateTime.to_iso8601/1`.
 
 ### Deploying
 
diff --git a/protos/bottle/inventory/v1.proto b/protos/bottle/inventory/v1.proto
index 1307d28..23eadcc 100644
--- a/protos/bottle/inventory/v1.proto
+++ b/protos/bottle/inventory/v1.proto
@@ -1,4 +1,4 @@
-syntax = "proto3";
+ syntax = "proto3";
 
 import "bottle/inventory/v1/service.proto";
 
@@ -10,6 +10,7 @@ service V1 {
   rpc ListSkuQuantity(bottle.inventory.v1.ListSkuQuantityRequest) returns (stream bottle.inventory.v1.ListSkuQuantityResponse);
   rpc ListSkuAvailability(bottle.inventory.v1.ListSkuAvailabilityRequest) returns (stream bottle.inventory.v1.ListSkuAvailabilityResponse);
   rpc GetSkuDetails(bottle.inventory.v1.GetSkuDetailsRequest) returns (bottle.inventory.v1.GetSkuDetailsResponse);
+  rpc ListSkuMovements(bottle.inventory.v1.ListSkuMovementsRequest) returns (stream bottle.inventory.v1.ListSkuMovementsResponse);
 
   rpc ListLocations(bottle.inventory.v1.ListLocationsRequest) returns (stream bottle.inventory.v1.ListLocationsResponse);
 }
diff --git a/protos/bottle/inventory/v1/movement.proto b/protos/bottle/inventory/v1/movement.proto
new file mode 100644
index 0000000..eb3df57
--- /dev/null
+++ b/protos/bottle/inventory/v1/movement.proto
@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+package bottle.inventory.v1;
+
+import "bottle/inventory/v1/location.proto";
+import "bottle/inventory/v1/part.proto";
+
+message Movement {
+  string id = 1;
+  bottle.inventory.v1.Part part = 2;
+  bottle.inventory.v1.Location from_location = 3;
+  bottle.inventory.v1.Location to_location = 4;
+  string inserted_at = 5;
+}
diff --git a/protos/bottle/inventory/v1/service.proto b/protos/bottle/inventory/v1/service.proto
index 50b104c..6b0c5f1 100644
--- a/protos/bottle/inventory/v1/service.proto
+++ b/protos/bottle/inventory/v1/service.proto
@@ -2,6 +2,7 @@ syntax = "proto3";
 
 import "bottle/inventory/v1/component.proto";
 import "bottle/inventory/v1/location.proto";
+import "bottle/inventory/v1/movement.proto";
 import "bottle/inventory/v1/sku.proto";
 
 package bottle.inventory.v1;
@@ -39,9 +40,7 @@ message ListComponentAvailabilityResponse {
   repeated PickingOption picking_options = 4;
 }
 
-message ListSkuQuantityRequest {
-  string request_id = 1;
-}
+message ListSkuQuantityRequest { string request_id = 1; }
 
 message ListSkuQuantityResponse {
   string request_id = 1;
@@ -86,3 +85,13 @@ message ListLocationsResponse {
   string request_id = 1;
   bottle.inventory.v1.Location location = 2;
 }
+
+message ListSkuMovementsRequest {
+  string request_id = 1;
+  bottle.inventory.v1.Sku sku = 2;
+}
+
+message ListSkuMovementsResponse {
+  string request_id = 1;
+  repeated bottle.inventory.v1.Movement movements = 2;
+}