diff --git a/manifest.json b/manifest.json
index 57eb114..239e234 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,5 @@
 {
-  "manifest_version": "2",
-  "api_version": "1",
+  "required_api_version": "^2.0.0",
   "name": "Translator",
   "description": "Uses translate-shell for translating",
   "developer_name": "Yegor Zhumikov",
diff --git a/translate_shell_parser.py b/translate_shell_parser.py
index 3dd4605..0511b3f 100644
--- a/translate_shell_parser.py
+++ b/translate_shell_parser.py
@@ -24,8 +24,7 @@ def execute(self):
         except ValueError:
             raise StopIteration
 
-        result = subprocess.Popen(args, stdout=subprocess.PIPE). \
-            communicate()[0]
+        result = subprocess.check_output(args, encoding='utf-8')
 
         lines = result.split('\n')
 
diff --git a/versions.json b/versions.json
new file mode 100644
index 0000000..e7ff41c
--- /dev/null
+++ b/versions.json
@@ -0,0 +1,6 @@
+[
+  {
+    "required_api_version": "^2.0.0",
+    "commit": "master"
+  }
+]