diff --git a/sources b/sources
index fae53ce..08f6e08 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (boost_1_63_0.tar.bz2) = c915c5f5778dee49b8e9d0a40f37f90f56fb1fdb1d8ce92d97bf48bc7bc462212487badfe4bbe30b06196d1149cfb221da12ac54e97499b0d4cb6466813bb4ad
+SHA512 (boost_1_64_0.tar.bz2) = 68477f148f61be617552ef48559c5c2cb90d42264cabd6d5e87215d0d5024b48fca27c4afcfc1f77e490c6220d44fb1abdf0a53703867a2e4132c2857f69fedf