diff --git a/_posts/2013-07-03-community-roundup-4.md b/_posts/2013-07-03-community-roundup-4.md
index dd78baac4..f160c535d 100644
--- a/_posts/2013-07-03-community-roundup-4.md
+++ b/_posts/2013-07-03-community-roundup-4.md
@@ -47,7 +47,7 @@ Over the past several weeks, members of our team, [Pete Hunt](http://www.petehun
 
 [Pete Hunt](http://www.petehunt.net/) recorded himself implementing a simple `<Blink>` tag in React.
 
-<figure><iframe src="http://player.vimeo.com/video/67248575" width="500" height="340" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe></figure>
+<figure><iframe src="https://player.vimeo.com/video/67248575" width="500" height="340" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe></figure>
 
 ## Snake in React
 
diff --git a/_posts/2013-07-23-community-roundup-5.md b/_posts/2013-07-23-community-roundup-5.md
index ff39aa06b..fb8bca7a3 100644
--- a/_posts/2013-07-23-community-roundup-5.md
+++ b/_posts/2013-07-23-community-roundup-5.md
@@ -68,7 +68,7 @@ React.renderComponent(
 
 [Domenic Denicola](http://domenicdenicola.com/) wrote a slide deck about the great applications of ES6 features and one slide shows how we could use Template Strings to compile JSX at run-time without the need for a pre-processing phase.
 
-<figure><iframe src="http://www.slideshare.net/slideshow/embed_code/24187146?rel=0&startSlide=36" width="600" height="356" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC;border-width:1px 1px 0;margin-bottom:5px" allowfullscreen webkitallowfullscreen mozallowfullscreen> </iframe></figure>
+<figure><iframe src="https://www.slideshare.net/slideshow/embed_code/24187146?rel=0&startSlide=36" width="600" height="356" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC;border-width:1px 1px 0;margin-bottom:5px" allowfullscreen webkitallowfullscreen mozallowfullscreen> </iframe></figure>
 
 
 ## React Presentation
diff --git a/_posts/2013-10-3-community-roundup-9.md b/_posts/2013-10-3-community-roundup-9.md
index 888d984a8..f99af4019 100644
--- a/_posts/2013-10-3-community-roundup-9.md
+++ b/_posts/2013-10-3-community-roundup-9.md
@@ -29,7 +29,7 @@ We organized a React hackathon last week-end in the Facebook Seattle office. 50
 
 The video will be available soon on the [JSConf EU website](http://2013.jsconf.eu/speakers/pete-hunt-react-rethinking-best-practices.html), but in the meantime, here are Pete's slides:
 
-<figure><iframe src="http://www.slideshare.net/slideshow/embed_code/26589373" width="550" height="450" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" allowfullscreen></iframe></figure>
+<figure><iframe src="https://www.slideshare.net/slideshow/embed_code/26589373" width="550" height="450" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" allowfullscreen></iframe></figure>
 
 
 ## Pump - Clojure bindings for React