diff --git a/NEWS.md b/NEWS.md
index 1ce9a94f..118f7bd0 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,9 +1,11 @@
 # libdeflate release notes
 
-## [git master branch]
+## Version 1.13
 
-* On Windows, libdeflate has changed back to always using the default calling
-  convention ("cdecl"), instead of "stdcall".
+* Changed the 32-bit Windows build of the library to use the default calling
+  convention (cdecl) instead of stdcall, reverting a change from libdeflate 1.4.
+
+* Fixed a couple macOS compatibility issues with the gzip program.
 
 ## Version 1.12
 
diff --git a/libdeflate.h b/libdeflate.h
index 9a56e9c2..a8b16b92 100644
--- a/libdeflate.h
+++ b/libdeflate.h
@@ -10,8 +10,8 @@ extern "C" {
 #endif
 
 #define LIBDEFLATE_VERSION_MAJOR	1
-#define LIBDEFLATE_VERSION_MINOR	12
-#define LIBDEFLATE_VERSION_STRING	"1.12"
+#define LIBDEFLATE_VERSION_MINOR	13
+#define LIBDEFLATE_VERSION_STRING	"1.13"
 
 #include <stddef.h>
 #include <stdint.h>