diff --git a/css/tufte-css b/css/tufte-css
index c414b9117d5b39bdb747a172822333fc1043aee3..e225f3a0e5f8f42a1d28416c1c85962411711907 160000
--- a/css/tufte-css
+++ b/css/tufte-css
@@ -1 +1 @@
-Subproject commit c414b9117d5b39bdb747a172822333fc1043aee3
+Subproject commit e225f3a0e5f8f42a1d28416c1c85962411711907
diff --git a/hakyll-bootstrap/cours/isc_physics b/hakyll-bootstrap/cours/isc_physics
index cb128a91d9e64bf23aa33bf3cba10c0a2230caed..84eaf9574581175da1da2ce2564caede9be3a818 160000
--- a/hakyll-bootstrap/cours/isc_physics
+++ b/hakyll-bootstrap/cours/isc_physics
@@ -1 +1 @@
-Subproject commit cb128a91d9e64bf23aa33bf3cba10c0a2230caed
+Subproject commit 84eaf9574581175da1da2ce2564caede9be3a818
diff --git a/hakyll-bootstrap/cours/math_tech_info b/hakyll-bootstrap/cours/math_tech_info
index 0478a907dcf48d856796da9a04aa34f2935e157d..3aafd78cea2c62a348bb82ea9542be6ff0bdff7e 160000
--- a/hakyll-bootstrap/cours/math_tech_info
+++ b/hakyll-bootstrap/cours/math_tech_info
@@ -1 +1 @@
-Subproject commit 0478a907dcf48d856796da9a04aa34f2935e157d
+Subproject commit 3aafd78cea2c62a348bb82ea9542be6ff0bdff7e