diff --git a/package.json b/package.json
index 6980a4f..e64a268 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
   },
   "dependencies": {
     "es6-shim": "~0.9.2",
-    "watchtower": "angular/watchtower.js"
+    "watchtower": "angular/watchtower.js",
+    "di": "angular/di.js"
   },
   "devDependencies": {
     "gulp": "^3.5.6",
diff --git a/src/parser.js b/src/parser.js
index ca285e9..3f6c5bb 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -1,3 +1,6 @@
+// TODO(vojta): use only di-annotations
+import {Inject} from 'di';
+
 import {Lexer,Token} from './lexer';
 import {Expression,ArrayOfExpression,Chain,Filter,Assign,
         Conditional, AccessScope, AccessMember, AccessKeyed, 
@@ -6,6 +9,7 @@ import {Expression,ArrayOfExpression,Chain,Filter,Assign,
 
 var EOF = new Token(-1, null);
 
+@Inject
 export class Parser {
   constructor(){
     this.cache = {};
diff --git a/src/watch_parser.js b/src/watch_parser.js
index f9515ee..732c202 100644
--- a/src/watch_parser.js
+++ b/src/watch_parser.js
@@ -1,3 +1,6 @@
+// TODO(vojta): use only di-annotations
+import {Inject} from 'di';
+
 import {AST, ContextReferenceAST, CollectionAST, MethodAST,
         FieldReadAST, PureFunctionAST, ConstantAST} from 'watchtower';
 
@@ -12,6 +15,7 @@ import {Expression,ArrayOfExpression,Chain,Filter,Assign,
 
 var scopeContextRef = new ContextReferenceAST();
 
+@Inject
 export class WatchParser {
   constructor(parser:Parser){
     this._parser = parser;
diff --git a/test-main.js b/test-main.js
index b4eb627..686b3c0 100644
--- a/test-main.js
+++ b/test-main.js
@@ -22,7 +22,8 @@ require.config({
   },
   map: {
     '*': {
-      'watchtower': 'node_modules/watchtower/src/index'
+      'watchtower': 'node_modules/watchtower/src/index',
+      'di': 'node_modules/di/src/index'
     }
   },