diff --git a/cbits/mktemp.c b/cbits/mktemp.c
--- a/cbits/mktemp.c
+++ b/cbits/mktemp.c
@@ -37,6 +37,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
diff --git a/unix-compat.cabal b/unix-compat.cabal
--- a/unix-compat.cabal
+++ b/unix-compat.cabal
@@ -1,5 +1,5 @@
 name:           unix-compat
-version:        0.4.0.0
+version:        0.4.1.0
 synopsis:       Portable POSIX-compatibility layer.
 description:    This package provides portable implementations of parts
                 of the unix package. This package re-exports the unix