diff --git a/src/sys/libwebm b/src/sys/libwebm
index d411c86..923d7ef 160000
--- a/src/sys/libwebm
+++ b/src/sys/libwebm
@@ -1 +1 @@
-Subproject commit d411c8668dc226d9a3c7433c560dedfcc46fc69c
+Subproject commit 923d7ef8508f3dcd7db86d026b96993dc2d90d39