diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 0)
 define(_CLIENT_VERSION_MINOR, 17)
-define(_CLIENT_VERSION_REVISION, 2)
+define(_CLIENT_VERSION_REVISION, 3)
 define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2018)
diff --git a/doc/Doxyfile b/doc/Doxyfile
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -38,7 +38,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.17.2
+PROJECT_NUMBER         = 0.17.3
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/doc/release-notes.md b/doc/release-notes.md
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -1,10 +1,5 @@
-Bitcoin ABC version 0.17.2 is now available from:
+Bitcoin ABC version 0.17.3 is now available from:
 
-  <https://download.bitcoinabc.org/0.17.2/>
+  <https://download.bitcoinabc.org/0.17.3/>
 
 This release includes the following features and fixes:
- - Remove deprecated `estimatepriority` RPC.
- - Remove deprecated `estimatesmartpriority` RPC.
- - Remove support for `-sendfreetransactions`.
- - Remove unstable `estimatesmartfee` RPC.
- - Update berkley DB to 5.3 minimum. Developers should update their build environment accordingly.
diff --git a/doc/release-notes.md b/doc/release-notes/release-notes-0.17.2.md
copy from doc/release-notes.md
copy to doc/release-notes/release-notes-0.17.2.md
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -126,12 +126,12 @@
 
         // The best chain should have at least this much work.
         consensus.nMinimumChainWork = uint256S(
-            "00000000000000000000000000000000000000000096be820973e0c3d70f437e");
+            "0000000000000000000000000000000000000000009d03f802c86d38cd09bd88");
 
         // By default assume that the signatures in ancestors of this block are
         // valid.
         consensus.defaultAssumeValid = uint256S(
-            "000000000000000001ad94189e956f1c1c28c8c34d2aae9bb8ce0c7f2b93b287");
+            "0000000000000000016715765b4e296ff76962c41e8b2693887ad0d418e8fb7a");
 
         // August 1, 2017 hard fork
         consensus.uahfHeight = 478558;
diff --git a/src/clientversion.h b/src/clientversion.h
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -17,7 +17,7 @@
 //! requires it
 #define CLIENT_VERSION_MAJOR 0
 #define CLIENT_VERSION_MINOR 17
-#define CLIENT_VERSION_REVISION 2
+#define CLIENT_VERSION_REVISION 3
 #define CLIENT_VERSION_BUILD 0
 
 //! Set to true for release, false for prerelease or test build
diff --git a/src/config/CMakeLists.txt b/src/config/CMakeLists.txt
--- a/src/config/CMakeLists.txt
+++ b/src/config/CMakeLists.txt
@@ -12,7 +12,7 @@
 # Version
 set(CLIENT_VERSION_MAJOR 0)
 set(CLIENT_VERSION_MINOR 17)
-set(CLIENT_VERSION_REVISION 2)
+set(CLIENT_VERSION_REVISION 3)
 set(CLIENT_VERSION_BUILD 0)
 
 option(CLIENT_VERSION_IS_RELEASE "Build a release version" OFF)
diff --git a/src/test/net_tests.cpp b/src/test/net_tests.cpp
--- a/src/test/net_tests.cpp
+++ b/src/test/net_tests.cpp
@@ -195,7 +195,7 @@
 
     BOOST_CHECK_EQUAL(userAgent(config).size(), MAX_SUBVERSION_LENGTH);
     BOOST_CHECK_EQUAL(userAgent(config),
-                      "/Bitcoin ABC:0.17.2(EB8.0; very very very very very "
+                      "/Bitcoin ABC:0.17.3(EB8.0; very very very very very "
                       "very very very very very very very very very very very "
                       "very very very very very very very very very very very "
                       "very very very very very very very very very very very "
diff --git a/src/txdb.cpp b/src/txdb.cpp
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -49,7 +49,7 @@
         s >> key;
         uint256 id;
         s >> id;
-        uint32_t n;
+        uint32_t n = 0;
         s >> VARINT(n);
         *outpoint = COutPoint(id, n);
     }