using stable versions.

composer.json

@@ -78,13 +78,13 @@
         "yiisoft/yii2-composer": "*",
         "ezyang/htmlpurifier": "4.6.*",
         "cebe/markdown": "0.9.*",
-        "bower-asset/jquery": "~1.11 | ~2.1",
-        "bower-asset/jquery.inputmask": "~3.1",
-        "bower-asset/punycode": "~1.3",
-        "bower-asset/yii2-pjax": "~2.0",
-        "bower-asset/bootstrap": "~3.2",
-        "bower-asset/jquery-ui": "~1.11",
-        "bower-asset/typeahead.js": "~0.10"
+        "bower-asset/jquery": "1.11.* | 2.1.*",
+        "bower-asset/jquery.inputmask": "3.1.*",
+        "bower-asset/punycode": "1.3.*",
+        "bower-asset/yii2-pjax": "2.0.*",
+        "bower-asset/bootstrap": "3.2.*",
+        "bower-asset/jquery-ui": "1.11.*",
+        "bower-asset/typeahead.js": "0.10.*"
     },
     "require-dev": {
         "phpunit/phpunit": "3.7.*",

extensions/bootstrap/composer.json

@@ -19,7 +19,7 @@
     ],
     "require": {
         "yiisoft/yii2": "*",
-        "bower-asset/bootstrap": "~3.2"
+        "bower-asset/bootstrap": "3.2.*"
     },
     "autoload": {
         "psr-4": {

extensions/gii/composer.json

@@ -21,7 +21,7 @@
         "yiisoft/yii2": "*",
         "yiisoft/yii2-bootstrap": "*",
         "phpspec/php-diff": ">=1.0.2",
-        "bower-asset/typeahead.js": "~0.10"
+        "bower-asset/typeahead.js": "0.10.*"
     },
     "autoload": {
         "psr-4": {

extensions/jui/composer.json

@@ -19,7 +19,7 @@
     ],
     "require": {
         "yiisoft/yii2": "*",
-        "bower-asset/jquery-ui": "~1.11"
+        "bower-asset/jquery-ui": "1.11.*"
     },
     "autoload": {
         "psr-4": {

framework/composer.json

@@ -58,10 +58,10 @@
         "yiisoft/yii2-composer": "*",
         "ezyang/htmlpurifier": "4.6.*",
         "cebe/markdown": "0.9.*",
-        "bower-asset/jquery": "~1.11 | ~2.1",
-        "bower-asset/jquery.inputmask": "~3.1",
-        "bower-asset/punycode": "~1.3",
-        "bower-asset/yii2-pjax": "~2.0"
+        "bower-asset/jquery": "1.11.* | 2.1.*",
+        "bower-asset/jquery.inputmask": "3.1.*",
+        "bower-asset/punycode": "1.3.*",
+        "bower-asset/yii2-pjax": "2.0.*"
     },
     "autoload": {
         "psr-4": {"yii\\": ""}