diff --git a/README.md b/README.md
index 9db3c2d90..c52367f72 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Zcash 1.0.0-rc3
+Zcash 1.0.0-rc4
 ===============
 
 What is Zcash?
diff --git a/configure.ac b/configure.ac
index 8cfbe6aff..dfbfa3b78 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 1)
 define(_CLIENT_VERSION_MINOR, 0)
 define(_CLIENT_VERSION_REVISION, 0)
-define(_CLIENT_VERSION_BUILD, 27)
+define(_CLIENT_VERSION_BUILD, 28)
 define(_ZC_BUILD_VAL, m4_if(m4_eval(_CLIENT_VERSION_BUILD < 25), 1, m4_incr(_CLIENT_VERSION_BUILD), m4_eval(_CLIENT_VERSION_BUILD < 50), 1, m4_eval(_CLIENT_VERSION_BUILD - 24), m4_eval(_CLIENT_VERSION_BUILD == 50), 1, , m4_eval(_CLIENT_VERSION_BUILD - 50)))
 define(_CLIENT_VERSION_SUFFIX, m4_if(m4_eval(_CLIENT_VERSION_BUILD < 25), 1, _CLIENT_VERSION_REVISION-beta$1, m4_eval(_CLIENT_VERSION_BUILD < 50), 1, _CLIENT_VERSION_REVISION-rc$1, m4_eval(_CLIENT_VERSION_BUILD == 50), 1, _CLIENT_VERSION_REVISION, _CLIENT_VERSION_REVISION-$1)))
 define(_CLIENT_VERSION_IS_RELEASE, false)
diff --git a/contrib/DEBIAN/changelog b/contrib/DEBIAN/changelog
index 9e8621465..3bd16836c 100644
--- a/contrib/DEBIAN/changelog
+++ b/contrib/DEBIAN/changelog
@@ -1,3 +1,9 @@
+zcash (1.0.0-rc4) jessie; urgency=medium
+
+  * 1.0.0-rc4 release.
+
+ -- Zcash Company <team@z.cash>  Thu, 27 Oct 2016 13:36:00 +0100
+
 zcash (1.0.0-rc3) jessie; urgency=medium
 
   * 1.0.0-rc3 release.
diff --git a/contrib/DEBIAN/control b/contrib/DEBIAN/control
index 05d9a43f7..096ee5c24 100644
--- a/contrib/DEBIAN/control
+++ b/contrib/DEBIAN/control
@@ -10,7 +10,7 @@ Build-Depends: autoconf, automake, bsdmainutils, build-essential
 Vcs-Git: git@github.com:zcash/zcash.git
 Vcs-Browser: https://github.com/zcash/zcash
 Package: zcash
-Version: 1.0.0-rc3
+Version: 1.0.0-rc4
 Architecture: amd64
 Depends: libgomp1
 Description: Zcash is an implementation of the "Zerocash" protocol.
diff --git a/contrib/gitian-descriptors/gitian-linux.yml b/contrib/gitian-descriptors/gitian-linux.yml
index d11f6322a..5e3fcfa85 100644
--- a/contrib/gitian-descriptors/gitian-linux.yml
+++ b/contrib/gitian-descriptors/gitian-linux.yml
@@ -1,5 +1,5 @@
 ---
-name: "zcash-1.0.0-rc3"
+name: "zcash-1.0.0-rc4"
 enable_cache: true
 distro: "debian"
 suites:
diff --git a/src/clientversion.h b/src/clientversion.h
index bcb587551..e073659ab 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -17,7 +17,7 @@
 #define CLIENT_VERSION_MAJOR 1
 #define CLIENT_VERSION_MINOR 0
 #define CLIENT_VERSION_REVISION 0
-#define CLIENT_VERSION_BUILD 27
+#define CLIENT_VERSION_BUILD 28
 
 //! Set to true for release, false for prerelease or test build
 #define CLIENT_VERSION_IS_RELEASE false