diff --git a/app/pubspec.lock b/app/pubspec.lock
index 4c3698f..5acc4f3 100644
--- a/app/pubspec.lock
+++ b/app/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.2.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -150,7 +150,7 @@ packages:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -197,7 +197,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.4"
+    version: "0.2.5"
   typed_data:
     dependency: transitive
     description:
diff --git a/protos/models/password.proto b/protos/models/password.proto
new file mode 100644
index 0000000..a14533f
--- /dev/null
+++ b/protos/models/password.proto
@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+package stashall;
+
+import "models/tag.proto";
+
+message Password {
+  string id = 1;
+  string login = 2;
+  string encryptedPassword = 3;
+  repeated Tag tags = 4;
+  string description = 5;
+  string url = 6;
+}
\ No newline at end of file
diff --git a/protos/services/passwords_service.proto b/protos/services/passwords_service.proto
new file mode 100644
index 0000000..c8e3895
--- /dev/null
+++ b/protos/services/passwords_service.proto
@@ -0,0 +1,20 @@
+syntax = "proto3";
+
+package stashall;
+
+import "google/protobuf/empty.proto";
+
+import "models/password.proto";
+
+message CreatePasswordRequest {
+  string login = 1;
+  string password = 2;
+}
+
+service PasswordsService {
+  rpc createPassword(CreatePasswordRequest) returns (google.protobuf.Empty);
+
+  rpc editPassword(Password) returns (google.protobuf.Empty);
+
+  rpc deletePassword(Password) returns (google.protobuf.Empty);
+}
\ No newline at end of file