diff --git a/.gitignore b/.gitignore
index e8740da..670b58e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-/grpc-go-e29d659.tar.gz
+/grpc-go-b88c12e.tar.gz
diff --git a/golang-github-grpc-grpc-go.spec b/golang-github-grpc-grpc-go.spec
index a53285a..be44ae2 100644
--- a/golang-github-grpc-grpc-go.spec
+++ b/golang-github-grpc-grpc-go.spec
@@ -25,12 +25,12 @@
 # https://github.com/grpc/grpc-go
 %global provider_prefix %{provider}.%{provider_tld}/%{project}/%{repo}
 %global import_path     google.golang.org/grpc
-%global commit          e29d659177655e589850ba7d3d83f7ce12ef23dd
+%global commit          b88c12e7caf74af3928de99a864aaa9916fa5aad
 %global shortcommit     %(c=%{commit}; echo ${c:0:7})
 
 Name:           golang-%{provider}-%{project}-%{repo}
 Version:        0
-Release:        0.5.git%{shortcommit}%{?dist}
+Release:        0.6.git%{shortcommit}%{?dist}
 Summary:        The Go language implementation of gRPC. HTTP/2 based RPC
 License:        BSD
 URL:            https://%{provider_prefix}
@@ -196,6 +196,10 @@ export GOPATH=%{buildroot}/%{gopath}:$(pwd)/Godeps/_workspace:%{gopath}
 %endif
 
 %changelog
+* Tue Mar 22 2016 jchaloup <jchaloup@redhat.com> - 0-0.6.gitb88c12e
+- Bump to upstream b88c12e7caf74af3928de99a864aaa9916fa5aad
+  related: #1250461
+
 * Mon Feb 22 2016 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0-0.5.gite29d659
 - https://fedoraproject.org/wiki/Changes/golang1.6
 
diff --git a/sources b/sources
index eca2383..9272d60 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-bb2f2d280221f6d2fac76028e293ca65  grpc-go-e29d659.tar.gz
+a235dc7cffcdc59306d873e84fa01f2c  grpc-go-b88c12e.tar.gz