diff --git a/.gitignore b/.gitignore
index 461cbfc..3bece52 100644
--- a/.gitignore
+++ b/.gitignore
@@ -95,3 +95,4 @@
 /libc-0.2.161.crate
 /libc-0.2.162.crate
 /libc-0.2.165.crate
+/libc-0.2.166.crate
diff --git a/rust-libc.spec b/rust-libc.spec
index 55146ea..d13705b 100644
--- a/rust-libc.spec
+++ b/rust-libc.spec
@@ -5,7 +5,7 @@
 %global crate libc
 
 Name:           rust-libc
-Version:        0.2.165
+Version:        0.2.166
 Release:        %autorelease
 Summary:        Raw FFI bindings to platform libraries like libc
 
diff --git a/sources b/sources
index 1b9bed8..c3a6cd1 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libc-0.2.165.crate) = 703f3c6ff33a8ee26f8126f1ea605f927da7c9ef86a4b6e4863b5fbc2155d1b05945253b0180dd017de34f91dd32506f40430626d5187471469f5ddcb5e10259
+SHA512 (libc-0.2.166.crate) = 55a484456ca4d0fc90e488c5b793a6100f160c9333f0b4173f21a49e33e2ce3ae28d74eadd4f2e72e51040667f0a2a93d7edcdc727fe266ff35b8b37608cce2d