Website build build-and-publish-website-18
diff --git a/home/index.html b/home/index.html
index 3d24766..2d86c5c 100644
--- a/home/index.html
+++ b/home/index.html
@@ -249,7 +249,7 @@
 <div class="embed-responsive embed-responsive-16by9">
 
 <div class="video-container">
-  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="http://www.youtube.com/embed/36d-LF-ns44" allowfullscreen frameborder="0">
+  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="https://www.youtube.com/embed/36d-LF-ns44" allowfullscreen frameborder="0">
   </iframe>
 </div>
 
diff --git a/index.html b/index.html
index 69c3b92..c979b79 100644
--- a/index.html
+++ b/index.html
@@ -215,7 +215,7 @@
 <div class="embed-responsive embed-responsive-16by9">
 
 <div class="video-container">
-  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="http://www.youtube.com/embed/36d-LF-ns44" allowfullscreen frameborder="0">
+  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="https://www.youtube.com/embed/36d-LF-ns44" allowfullscreen frameborder="0">
   </iframe>
 </div>
 
diff --git a/resources/training/index.html b/resources/training/index.html
index 3b05379..5378c40 100644
--- a/resources/training/index.html
+++ b/resources/training/index.html
@@ -255,7 +255,7 @@
 <li>Functional Refinement: Architectural refinement, Contract refinement, Contract-based views
 
 <div class="video-container">
-  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="http://www.youtube.com/embed/EysXR-JSilM" allowfullscreen frameborder="0">
+  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="https://www.youtube.com/embed/EysXR-JSilM" allowfullscreen frameborder="0">
   </iframe>
 </div>
 </li>
@@ -271,7 +271,7 @@
 <li>Upcoming features: Savona, Simulation-based Fault Injection, Requirement Early Validation
 
 <div class="video-container">
-  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="http://www.youtube.com/embed/lK8bfr_uz6c" allowfullscreen frameborder="0">
+  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="https://www.youtube.com/embed/lK8bfr_uz6c" allowfullscreen frameborder="0">
   </iframe>
 </div>
 </li>
@@ -285,7 +285,7 @@
 <li>System-dependability co-analysis: via Papyrus, via Safety Architect and via Concerto
 
 <div class="video-container">
-  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="http://www.youtube.com/embed/oEopBXgxxkc" allowfullscreen frameborder="0">
+  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="https://www.youtube.com/embed/oEopBXgxxkc" allowfullscreen frameborder="0">
   </iframe>
 </div>
 </li>
@@ -301,7 +301,7 @@
 <li>Semi-automatic generation of Arguments: Product arguments and process arguments
 
 <div class="video-container">
-  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="http://www.youtube.com/embed/XHt2SkzL7XU" allowfullscreen frameborder="0">
+  <iframe class="youtube-player" type="text/html" width="100%" height="auto" src="https://www.youtube.com/embed/XHt2SkzL7XU" allowfullscreen frameborder="0">
   </iframe>
 </div>
 </li>