diff --git a/Makefile.in b/Makefile.in
index 6eb180de0b..2d762c5f6b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -30,7 +30,7 @@ LDSHARED=$(CC)
 LDSHAREDFLAGS=-shared
 LDVERSIONSCRIPT=
 
-VER=2.2.2
+VER=2.2.3
 VER1=2
 
 STATICLIB=$(LIBNAME1).a
diff --git a/zlib-ng.h.in b/zlib-ng.h.in
index 527df05746..94ca63f4d5 100644
--- a/zlib-ng.h.in
+++ b/zlib-ng.h.in
@@ -48,11 +48,11 @@
 extern "C" {
 #endif
 
-#define ZLIBNG_VERSION "2.2.2"
-#define ZLIBNG_VERNUM 0x020202F0L   /* MMNNRRSM: major minor revision status modified */
+#define ZLIBNG_VERSION "2.2.3"
+#define ZLIBNG_VERNUM 0x020203F0L   /* MMNNRRSM: major minor revision status modified */
 #define ZLIBNG_VER_MAJOR 2
 #define ZLIBNG_VER_MINOR 2
-#define ZLIBNG_VER_REVISION 2
+#define ZLIBNG_VER_REVISION 3
 #define ZLIBNG_VER_STATUS F         /* 0=devel, 1-E=beta, F=Release (DEPRECATED) */
 #define ZLIBNG_VER_STATUSH 0xF      /* Hex values: 0=devel, 1-E=beta, F=Release */
 #define ZLIBNG_VER_MODIFIED 0       /* non-zero if modified externally from zlib-ng */
diff --git a/zlib.h.in b/zlib.h.in
index 3bcbca20e8..d84666e55e 100644
--- a/zlib.h.in
+++ b/zlib.h.in
@@ -49,11 +49,11 @@
 extern "C" {
 #endif
 
-#define ZLIBNG_VERSION "2.2.2"
-#define ZLIBNG_VERNUM 0x020202F0L   /* MMNNRRSM: major minor revision status modified */
+#define ZLIBNG_VERSION "2.2.3"
+#define ZLIBNG_VERNUM 0x020203F0L   /* MMNNRRSM: major minor revision status modified */
 #define ZLIBNG_VER_MAJOR 2
 #define ZLIBNG_VER_MINOR 2
-#define ZLIBNG_VER_REVISION 2
+#define ZLIBNG_VER_REVISION 3
 #define ZLIBNG_VER_STATUS F         /* 0=devel, 1-E=beta, F=Release (DEPRECATED) */
 #define ZLIBNG_VER_STATUSH 0xF      /* Hex values: 0=devel, 1-E=beta, F=Release */
 #define ZLIBNG_VER_MODIFIED 0       /* non-zero if modified externally from zlib-ng */
diff --git a/zutil.c b/zutil.c
index 64edddcd6b..9095940a3c 100644
--- a/zutil.c
+++ b/zutil.c
@@ -21,7 +21,7 @@ z_const char * const PREFIX(z_errmsg)[10] = {
 };
 
 const char PREFIX3(vstring)[] =
-    " zlib-ng 2.2.2";
+    " zlib-ng 2.2.3";
 
 #ifdef ZLIB_COMPAT
 const char * Z_EXPORT zlibVersion(void) {