diff --git a/.gitignore b/.gitignore
index 0c748ef..ea875d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /HdrHistogram_c-0.9.11.tar.gz
+/HdrHistogram_c-0.9.12.tar.gz
diff --git a/sources b/sources
index e13291a..e9914ce 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (HdrHistogram_c-0.9.11.tar.gz) = 0a83b35cdf6366b7b26b815af2107c86d71b80c334cde2e2aacc7aa02b3dbd05434651c84e5e0127608aebb3d9d52b717ddeec92c00ec705b0dee06b23d6e816
+SHA512 (HdrHistogram_c-0.9.12.tar.gz) = 60a1c245ae5f40f74c2ba456d0cd29463269b865a2ad8db1298feb9c7070fff161967a6d851b44d7f5a506ea9a790d0d8845d43677cd162b9e4386b7fa0425be