diff --git a/gnuradio-3.7.7.1.tar.gz b/gnuradio-3.7.7.1.tar.gz
deleted file mode 100644
index 69a2f93..0000000
--- a/gnuradio-3.7.7.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2b27b13fc734ab5882e42c1661d433c0c097fd8b55b682f00626fa96c356584e
-size 3845988
diff --git a/gnuradio-3.7.8.tar.gz b/gnuradio-3.7.8.tar.gz
new file mode 100644
index 0000000..93490b3
--- /dev/null
+++ b/gnuradio-3.7.8.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fe19cb54b5d77fb76dde61d5cf184c6dee7066779b45c51676bae6e6d0cd4172
+size 3990172
diff --git a/gnuradio.changes b/gnuradio.changes
index 9057b90..ee3e2cf 100644
--- a/gnuradio.changes
+++ b/gnuradio.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Aug 16 09:47:05 UTC 2015 - wk@ire.pw.edu.pl
+
+- update to version 3.7.8
+
 -------------------------------------------------------------------
 Sat May 16 06:16:36 UTC 2015 - wk@ire.pw.edu.pl
 
diff --git a/gnuradio.spec b/gnuradio.spec
index 9c5a3c1..355db10 100644
--- a/gnuradio.spec
+++ b/gnuradio.spec
@@ -17,10 +17,10 @@
 
 
 Name:           gnuradio
-Version:        3.7.7.1
+Version:        3.7.8
 Release:        0
-%define soname  3_7_7_1-0_0_0
-%define soname_volk  1_0
+%define soname  3_7_8-0_0_0
+%define soname_volk  1_0_2
 Summary:        GNU software radio
 License:        GPL-3.0+
 Group:          Productivity/Hamradio/Other