diff --git a/serial-unix/Cargo.toml b/serial-unix/Cargo.toml
index e5301c9..f558ad3 100644
--- a/serial-unix/Cargo.toml
+++ b/serial-unix/Cargo.toml
@@ -14,5 +14,5 @@ categories = ["hardware-support", "os", "os::unix-apis"]
 [dependencies]
 serial-core = { version = "0.4", path = "../serial-core" }
 libc = "0.2.1"
-termios = "0.2.2"
-ioctl-rs = "0.1.5"
+termios = "0.3"
+ioctl-rs = "0.2"
diff --git a/serial-unix/README.md b/serial-unix/README.md
index a83f302..77180b3 100644
--- a/serial-unix/README.md
+++ b/serial-unix/README.md
@@ -12,6 +12,7 @@ API. The following platforms are confirmed to be compatible:
 * Linux (x86_64, armv6l)
 * OS X (x86_64)
 * FreeBSD (amd64)
+* NetBSD (amd64, evbarm-aarch64)
 * OpenBSD (amd64)
 
 ## Usage
diff --git a/serial-unix/src/error.rs b/serial-unix/src/error.rs
index 293772d..60d7b5c 100644
--- a/serial-unix/src/error.rs
+++ b/serial-unix/src/error.rs
@@ -64,7 +64,7 @@ pub fn errno() -> i32 {
         __dfly_error()
     }
 
-    #[cfg(target_os = "openbsd")]
+    #[cfg(any(target_os = "openbsd", target_os = "netbsd"))]
     unsafe fn errno_location() -> *const c_int {
         extern { fn __errno() -> *const c_int; }
         __errno()
diff --git a/serial/README.md b/serial/README.md
index 6f638da..7211ddc 100644
--- a/serial/README.md
+++ b/serial/README.md
@@ -7,12 +7,14 @@ are supported out of the box.
 * [Documentation](http://dcuddeback.github.io/serial-rs/serial/)
 
 ## Compatibility
+
 The `serial` crate is compatible with Windows and any Unix operating system that implements the
 termios API. The following platforms are confirmed to be compatible:
 
 * Linux (x86_64, armv6l)
 * OS X (x86_64)
 * FreeBSD (amd64)
+* NetBSD (amd64, evbarm-aarch64)
 * OpenBSD (amd64)
 * Windows (x86_64)