diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96ebbe4..233e399 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.3.13
+
+* Add haiku support.
+
 # 0.3.12
 
 * Fix accidentally broken windows build.
diff --git a/Cargo.lock b/Cargo.lock
index 200634f..57c4758 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -674,7 +674,7 @@ dependencies = [
 
 [[package]]
 name = "signal-hook"
-version = "0.3.11"
+version = "0.3.13"
 dependencies = [
  "cc",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index 3c47593..326a23a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "signal-hook"
-version = "0.3.12"
+version = "0.3.13"
 authors = [
     "Michal 'vorner' Vaner <vorner@vorner.cz>",
     "Thomas Himmelstoss <thimm@posteo.de>",
diff --git a/src/lib.rs b/src/lib.rs
index b01e192..454003c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -369,16 +369,13 @@ pub mod consts {
     pub mod signal {
         #[cfg(not(windows))]
         pub use libc::{
-            SIGABRT, SIGALRM, SIGBUS, SIGCHLD, SIGCONT, SIGFPE, SIGHUP, SIGILL, SIGINT,
-            SIGKILL, SIGPIPE, SIGPROF, SIGQUIT, SIGSEGV, SIGSTOP, SIGSYS, SIGTERM, SIGTRAP,
-            SIGTSTP, SIGTTIN, SIGTTOU, SIGURG, SIGUSR1, SIGUSR2, SIGVTALRM, SIGWINCH, SIGXCPU,
-            SIGXFSZ,
+            SIGABRT, SIGALRM, SIGBUS, SIGCHLD, SIGCONT, SIGFPE, SIGHUP, SIGILL, SIGINT, SIGKILL,
+            SIGPIPE, SIGPROF, SIGQUIT, SIGSEGV, SIGSTOP, SIGSYS, SIGTERM, SIGTRAP, SIGTSTP,
+            SIGTTIN, SIGTTOU, SIGURG, SIGUSR1, SIGUSR2, SIGVTALRM, SIGWINCH, SIGXCPU, SIGXFSZ,
         };
 
         #[cfg(not(any(windows, target_os = "haiku")))]
-        pub use libc::{
-            SIGIO,
-        };
+        pub use libc::SIGIO;
 
         #[cfg(windows)]
         pub use libc::{SIGABRT, SIGFPE, SIGILL, SIGINT, SIGSEGV, SIGTERM};