diff --git a/.gitignore b/.gitignore
index 61f8e1f..839d541 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,8 @@
 /postgresql-9.6.3.tar.bz2.sha256
 /postgresql-setup-5.0.tar.gz
 /postgresql-9.6.3-US.pdf
+/postgresql-9.5.8.tar.bz2
+/postgresql-9.5.8.tar.bz2.sha256
+/postgresql-9.6.4.tar.bz2
+/postgresql-9.6.4.tar.bz2.sha256
+/postgresql-9.6.4-US.pdf
diff --git a/postgresql.spec b/postgresql.spec
index 15c59f9..3a12ef9 100644
--- a/postgresql.spec
+++ b/postgresql.spec
@@ -66,7 +66,7 @@
 Summary: PostgreSQL client programs
 Name: postgresql
 %global majorversion 9.6
-Version: 9.6.3
+Version: 9.6.4
 Release: 1%{?dist}
 
 # The PostgreSQL license is very similar to other MIT licenses, but the OSI
@@ -82,7 +82,7 @@ Url: http://www.postgresql.org/
 # in-place upgrade of an old database.  In most cases it will not be critical
 # that this be kept up with the latest minor release of the previous series;
 # but update when bugs affecting pg_dump output are fixed.
-%global prevversion 9.5.7
+%global prevversion 9.5.8
 %global prevmajorversion 9.5
 
 %global setup_version 5.0
@@ -1197,6 +1197,10 @@ fi
 %endif
 
 %changelog
+* Tue Aug 08 2017 Petr Kubat <pkubat@redhat.com> - 9.6.4-1
+- update to 9.6.4 per release notes:
+  https://www.postgresql.org/docs/9.6/static/release-9-6-4.html
+
 * Thu May 11 2017 Pavel Raiskup <praiskup@redhat.com> - 9.6.3-1
 - update to 9.6.3 per release notes:
   https://www.postgresql.org/docs/9.6/static/release-9-6-3.html
diff --git a/sources b/sources
index 3f042df..d08c3df 100644
--- a/sources
+++ b/sources
@@ -1,6 +1,6 @@
-SHA512 (postgresql-9.5.7.tar.bz2) = 0f879a8d7587739aa9a696d60f909f819d567c67dff7c730d5e856639ed78ebc35beeb3cdaf782573d7e62c7056560a934f64cf11ccac6e309f58bb82d1ca78f
-SHA512 (postgresql-9.5.7.tar.bz2.sha256) = 60ac2b6bbfb40303b3fe30ce3685c637bcd89382ced722572d34e4248639e159c300c5bd28c4b094f54b1c72c7f2421f0d9db2cc06efc2e5814d4932e3c2d5e0
-SHA512 (postgresql-9.6.3.tar.bz2) = 97141972e154e6b0e756ee6a4e20f26e82022a9fd4c56305314a3a5567a79ece638e4ac3d513b46138737ae6bd27a098f30013a94767db151181aac9c01290a1
-SHA512 (postgresql-9.6.3.tar.bz2.sha256) = caf9fc6f76d7e27fa647b386bd3ad36311d86d97c9664d163f43b62ddeda60b605b594335d01bc8cfdec0a8c344a77920900b577dd8c5f82d6a48cc9693eb5a8
 SHA512 (postgresql-setup-5.0.tar.gz) = 0cda4242c3fd856d120e4533e34358252ed1d9dbced1435c4997fbfa600e5132462ca6cc2782ed3959a09374317424463196c24ebe5b1e10e7ac80e09b6ebfbf
-SHA512 (postgresql-9.6.3-US.pdf) = d80d23c1093d406c475299d7f9bdc48e2d60ff8b61ac2db546a13683bc686a5ca10acdc7de7dc6a1f43f461da8d3966817bd0343e4bf3a94ee176df025236a7e
+SHA512 (postgresql-9.5.8.tar.bz2) = 4a11f0a16df460391c8250122ca8bf1ab76e49672a8c003ed09718bb4ce2aa57757e7aaec6e41b53d0d1ada293172b974761606647fcc8b4fce8807490b6ef10
+SHA512 (postgresql-9.5.8.tar.bz2.sha256) = a4a5f492a7327969da8ab5e95eb05bb8b0734e35aa4218c2fc54bad90424da6e391dcb8945fe32ece223e0a6ef1d2f7b2f3ac0eb50351d84bcd551b58a409392
+SHA512 (postgresql-9.6.4.tar.bz2) = b0527efacce6efc09340b68c8c56483cd884676e01cb6bfb4f9ce63226a394bdb0bcf3d832f84e4dff5ceecf09ef4cf93e9fbd0ac453ec85efb11ac50a7dff39
+SHA512 (postgresql-9.6.4.tar.bz2.sha256) = 83dd32c734f46cff5789b9353156857d3e836f9d84726444d9cf3e48082e666a56db32e1a218a640e668c905ed2152a40d809c5f24f6238e37e67ef0e03a2b37
+SHA512 (postgresql-9.6.4-US.pdf) = 862ab7af00f457c80ab81c4c5291bf2c9d5fd1aea0d059cfaf693c5aaa722a9390b66a4a337c9d4ed7e271693d83f22ff57842475bdccfda2d9387ef512e77d0