diff --git a/README.md b/README.md
index c9e4e77..eccb3a5 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ Get the latest release from the [Safari Extension Gallery](https://safari-extens
 ## Supported sites
 * [Amazon video](http://www.amazon.com/PrimeVideo)
 * [CollegeHumor](http://www.collegehumor.com)
+* [CuriosityStream](http://www.curiositystream.com)
 * [Hulu](http://www.hulu.com)
 * [LittleThings](http://www.littlethings.com)
 * [Mashable](http://www.mashable.com)
diff --git a/out/PiPer.safariextz b/out/PiPer.safariextz
index f663e22..ab053b9 100644
Binary files a/out/PiPer.safariextz and b/out/PiPer.safariextz differ
diff --git a/src/Info.plist b/src/Info.plist
index 60eb016..5ffdd41 100644
--- a/src/Info.plist
+++ b/src/Info.plist
@@ -50,6 +50,8 @@
 				<string>*.amazon.ca</string>
 				<string>collegehumor.com</string>
 				<string>*.collegehumor.com</string>
+				<string>curiositystream.com</string>
+				<string>*.curiositystream.com</string>
 				<string>hulu.com</string>
 				<string>*.hulu.com</string>
 				<string>littlethings.com</string>
diff --git a/src/scripts/main.js b/src/scripts/main.js
index 6bc479c..d6cd43d 100644
--- a/src/scripts/main.js
+++ b/src/scripts/main.js
@@ -115,6 +115,27 @@ const resources = {
       return document.getElementById('vjs_video_3_html5_api');
     },
   },
+  
+  'curiositystream': {
+    buttonDidAppear: function() {
+      const style = document.createElement('style');
+      style.appendChild(document.createTextNode('#' + BUTTON_ID + ':hover{opacity:1!important}'));
+      document.getElementById(BUTTON_ID).appendChild(style);
+    },
+    buttonInsertBefore: function(/** Element */ parent) {
+      return parent.lastChild;
+    },
+    buttonParent: function() {
+      const e = document.getElementById('app');
+      return e && e.querySelector('div[class^="styles__controls"]');
+    },
+    buttonScale: 1.1,
+    buttonStyle: 'height:22px;width:22px;cursor:pointer;padding:0;border:0;opacity:0.8;margin-right:30px;background:transparent',
+    videoElement: function() {
+      const e = document.getElementById('app');
+      return e && e.querySelector('video[class^="styles__video"]');
+    },
+  },
 
   'hulu': {
     buttonClassName: 'simple-button',
diff --git a/update.plist b/update.plist
index eb8311e..6d213bd 100644
--- a/update.plist
+++ b/update.plist
@@ -10,7 +10,7 @@
 			<key>CFBundleShortVersionString</key>
 			<string>0.1.3</string>
 			<key>CFBundleVersion</key>
-			<string>18</string>
+			<string>21</string>
 			<key>Developer Identifier</key>
 			<string>BQ6Q24MF9X</string>
 			<key>URL</key>