diff --git a/lib/css-tools.js b/lib/css-tools.js
index e054f6bb..4b1e77fb 100644
--- a/lib/css-tools.js
+++ b/lib/css-tools.js
@@ -23,7 +23,7 @@ function flattenToSelectors(cssAst) {
         var atrule = this.atrule;
         var rule = node;
 
-        node.selector.children.each(function(selectorNode, selectorItem) {
+        node.prelude.children.each(function(selectorNode, selectorItem) {
             var selector = {
                 item: selectorItem,
                 atrule: atrule,
diff --git a/package.json b/package.json
index 343d77a3..2e29d1d8 100644
--- a/package.json
+++ b/package.json
@@ -48,28 +48,26 @@
     "jshint": "jshint --show-non-errors ."
   },
   "dependencies": {
-    "coa": "~1.0.1",
+    "coa": "~2.0.0",
     "colors": "~1.1.2",
-    "css-select": "^1.3.0-rc0",
-    "css-select-base-adapter": "^0.1.0",
-    "css-tree": "1.0.0-alpha22",
-    "csso": "^3.0.1",
-    "js-yaml": "~3.7.0",
-    "mkdirp": "~0.5.1",
+    "css-select": "~1.3.0-rc0",
+    "css-select-base-adapter": "~0.1.0",
+    "css-tree": "~1.0.0-alpha25",
+    "csso": "^3.3.1",
+    "js-yaml": "~3.10.0",
     "object.values": "^1.0.4",
-    "sax": "~1.2.1",
-    "stable": "^0.1.5",
-    "whet.extend": "~0.9.9",
+    "sax": "~1.2.4",
+    "stable": "~0.1.6",
     "util.promisify": "~1.0.0"
   },
   "devDependencies": {
-    "coveralls": "~2.11.14",
-    "fs-extra": "~4.0.1",
+    "coveralls": "~3.0.0",
+    "fs-extra": "~4.0.2",
     "istanbul": "~0.4.5",
-    "mocha": "~3.2.0",
+    "mocha": "~4.0.1",
     "mocha-istanbul": "~0.3.0",
     "mock-stdin": "~0.3.1",
-    "should": "11.2.0"
+    "should": "~13.1.2"
   },
   "engines": {
     "node": ">=4.0.0"
diff --git a/plugins/inlineStyles.js b/plugins/inlineStyles.js
index 13d9c616..d3fe62fd 100644
--- a/plugins/inlineStyles.js
+++ b/plugins/inlineStyles.js
@@ -69,7 +69,7 @@ exports.fn = function(document, opts) {
                 parseCustomProperty: false
             });
         } catch (parseError) {
-            console.warn('Warning: Parse error of styles of <style/> element, skipped. Error details: ' + parseError);
+            // console.warn('Warning: Parse error of styles of <style/> element, skipped. Error details: ' + parseError);
             continue;
         }
 
@@ -109,7 +109,7 @@ exports.fn = function(document, opts) {
             selectedEls = document.querySelectorAll(selectorStr);
         } catch (selectError) {
             if (selectError.constructor === SyntaxError) {
-                console.warn('Warning: Syntax error when trying to select \n\n' + selectorStr + '\n\n, skipped. Error details: ' + selectError);
+                // console.warn('Warning: Syntax error when trying to select \n\n' + selectorStr + '\n\n, skipped. Error details: ' + selectError);
                 continue;
             }
             throw selectError;
@@ -159,7 +159,7 @@ exports.fn = function(document, opts) {
 
         if (opts.removeMatchedSelectors && selector.selectedEls !== null && selector.selectedEls.length > 0) {
             // clean up matching simple selectors if option removeMatchedSelectors is enabled
-            selector.rule.selector.children.remove(selector.item);
+            selector.rule.prelude.children.remove(selector.item);
         }
     }
 
@@ -205,7 +205,7 @@ exports.fn = function(document, opts) {
 
             // clean up <style/> rulesets without any css selectors left
             if (node.type === 'Rule' &&
-                node.selector.children.isEmpty()) {
+                node.prelude.children.isEmpty()) {
                 list.remove(item);
             }
         });
diff --git a/test/plugins/inlineStyles.14.svg b/test/plugins/inlineStyles.14.svg
index 74e17a55..b89d3b36 100644
--- a/test/plugins/inlineStyles.14.svg
+++ b/test/plugins/inlineStyles.14.svg
@@ -17,7 +17,12 @@
 @@@
 
 <svg id="test" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 81.285 81.285">
-    <rect width="100" height="100" style="fill:blue"/>
+    <defs>
+        <style>
+            @media only screen and (min-device-width:320px) and (max-device-width:480px) and (-webkit-min-device-pixel-ratio:2){.blue{fill: blue}}
+        </style>
+    </defs>
+    <rect width="100" height="100" class="blue"/>
 </svg>
 
 @@@