diff --git a/README b/README
index daaf1ca7..80fd00c9 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@
           \__\__/\____/\_____/__/ ____  ___
                 / _/ /    \    \ /  _ \/ _/
                /  \_/   / /   \ \   __/  \__
-               \____/____/\_____/_____/____/v0.4.2
+               \____/____/\_____/_____/____/v0.4.3
 
 Description:
 ============
diff --git a/configure.ac b/configure.ac
index e5722a2b..e8448824 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([libwebp], [0.4.2],
+AC_INIT([libwebp], [0.4.3],
         [http://code.google.com/p/webp/issues],,
         [http://developers.google.com/speed/webp])
 AC_CANONICAL_HOST
diff --git a/src/Makefile.am b/src/Makefile.am
index daa6688c..3779af6f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -35,7 +35,7 @@ libwebp_la_LIBADD += utils/libwebputils.la
 # other than the ones listed on the command line, i.e., after linking, it will
 # not have unresolved symbols. Some platforms (Windows among them) require all
 # symbols in shared libraries to be resolved at library creation.
-libwebp_la_LDFLAGS = -no-undefined -version-info 5:2:0
+libwebp_la_LDFLAGS = -no-undefined -version-info 5:3:0
 libwebpincludedir = $(includedir)/webp
 pkgconfig_DATA = libwebp.pc
 
@@ -47,7 +47,7 @@ if BUILD_LIBWEBPDECODER
   libwebpdecoder_la_LIBADD += dsp/libwebpdspdecode.la
   libwebpdecoder_la_LIBADD += utils/libwebputilsdecode.la
 
-  libwebpdecoder_la_LDFLAGS = -no-undefined -version-info 1:2:0
+  libwebpdecoder_la_LDFLAGS = -no-undefined -version-info 1:3:0
   pkgconfig_DATA += libwebpdecoder.pc
 endif
 
diff --git a/src/dec/vp8i.h b/src/dec/vp8i.h
index b0f73f03..0727d181 100644
--- a/src/dec/vp8i.h
+++ b/src/dec/vp8i.h
@@ -31,7 +31,7 @@ extern "C" {
 // version numbers
 #define DEC_MAJ_VERSION 0
 #define DEC_MIN_VERSION 4
-#define DEC_REV_VERSION 2
+#define DEC_REV_VERSION 3
 
 // intra prediction modes
 enum { B_DC_PRED = 0,   // 4x4 modes
diff --git a/src/enc/vp8enci.h b/src/enc/vp8enci.h
index 3741fd27..0c1c1adf 100644
--- a/src/enc/vp8enci.h
+++ b/src/enc/vp8enci.h
@@ -30,7 +30,7 @@ extern "C" {
 // version numbers
 #define ENC_MAJ_VERSION 0
 #define ENC_MIN_VERSION 4
-#define ENC_REV_VERSION 2
+#define ENC_REV_VERSION 3
 
 // intra prediction modes
 enum { B_DC_PRED = 0,   // 4x4 modes