diff --git a/ext/c-blosc b/ext/c-blosc
index 254ffdf..690b02b 160000
--- a/ext/c-blosc
+++ b/ext/c-blosc
@@ -1 +1 @@
-Subproject commit 254ffdf6fb75470924d6b7bb6dca6f4b67a6ca5a
+Subproject commit 690b02b2243ccdd1b1461cd854bd299fed3c7fa9