diff --git a/readium-sdk b/readium-sdk
index 896ec4b5..d38f8c30 160000
--- a/readium-sdk
+++ b/readium-sdk
@@ -1 +1 @@
-Subproject commit 896ec4b50005dbe5bb14ad5c393ab6c81d6831c5
+Subproject commit d38f8c307ab93e694089ad1298fd03f5bcb273a0
diff --git a/readium-shared-js b/readium-shared-js
index 94a0dc7d..4fcdf947 160000
--- a/readium-shared-js
+++ b/readium-shared-js
@@ -1 +1 @@
-Subproject commit 94a0dc7d5bae04540b715ce17a68f419394f5e03
+Subproject commit 4fcdf947886a4e0a4614695e2c7d09a63d6851a4