diff --git a/package.json b/package.json
index cce478f5..606d965b 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   "homepage": "http://zhukov.github.io/webogram",
   "devDependencies": {
     "del": "^1.2.0",
-    "event-stream": "^3.1.0",
+    "event-stream": "~3.1.0",
     "gulp": "^3.9.0",
     "gulp-angular-templatecache": "^1.1.0",
     "gulp-concat": "^2.1.7",
@@ -74,7 +74,7 @@
     "karma-phantomjs-launcher": "^1.0.2",
     "phantomjs-prebuilt": "^2.1.14",
     "run-sequence": "^1.0.2",
-    "st": "^0.5.2",
+    "st": ">=1.2.2",
     "sw-precache": "^3.2.0"
   },
   "standard": {