diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d9eccb..3b75684 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,9 @@
 
 You may also find the [Update Guide](UPDATING.md) useful.
 
+## [0.5.3] - 2018-06-26
+### Platform support
+- OpenBSD, Bitrig: fix compilation (broken in 0.5.1) (#530)
 
 ## [0.5.2] - 2018-06-18
 ### Platform support
diff --git a/Cargo.toml b/Cargo.toml
index 0985f27..af16495 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rand"
-version = "0.5.2" # NB: When modifying, also modify html_root_url in lib.rs
+version = "0.5.3" # NB: When modifying, also modify html_root_url in lib.rs
 authors = ["The Rust Project Developers"]
 license = "MIT/Apache-2.0"
 readme = "README.md"
diff --git a/src/lib.rs b/src/lib.rs
index c86aa69..00b8a88 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -223,7 +223,7 @@
 
 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk.png",
        html_favicon_url = "https://www.rust-lang.org/favicon.ico",
-       html_root_url = "https://docs.rs/rand/0.5.2")]
+       html_root_url = "https://docs.rs/rand/0.5.3")]
 
 #![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
diff --git a/src/rngs/os.rs b/src/rngs/os.rs
index 01fdfb0..0630356 100644
--- a/src/rngs/os.rs
+++ b/src/rngs/os.rs
@@ -879,7 +879,7 @@
 
         fn fill_chunk(&mut self, dest: &mut [u8]) -> Result<(), Error> {
             let ret = unsafe {
-                libc::getentropy(s.as_mut_ptr() as *mut libc::c_void, s.len())
+                libc::getentropy(dest.as_mut_ptr() as *mut libc::c_void, dest.len())
             };
             if ret == -1 {
                 return Err(Error::with_cause(