diff --git a/sources b/sources
index 2743db9..dad6958 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (HdrHistogram-2.1.11.tar.gz) = 3e76f4f3b51828dc121ec02b4efc48a09528f0a8
+SHA512 (HdrHistogram-2.1.11.tar.gz) = 51cb4397ae5450c80f67a8488c505ea4898f54cf572c55349f74dd8a66f3140a0c0b566be8448ee6c3474d1c33c131b7c39d0a3e15b8f06d41c2896383822a00