diff --git a/ci/build_rpm.sh b/ci/build_rpm.sh
index 3eb0012..37f502b 100755
--- a/ci/build_rpm.sh
+++ b/ci/build_rpm.sh
@@ -32,7 +32,7 @@ sudo cp ci/softwarepublico.key /tmp/centos-7/etc/yum.repos.d/
 # Commands on chroot
 
 sudo chroot /tmp/centos-7/ yum install rpm-build -y --quiet
-sudo chroot /tmp/centos-7/ yum-builddep /root/rpmbuild/SPECS/colab.spec
+sudo chroot /tmp/centos-7/ yum-builddep /root/rpmbuild/SPECS/colab.spec -y
 
 sudo chroot /tmp/centos-7/ repoquery --repofrompath="$repo,$repo_url" --repoid=$repo colab --info > /tmp/colab-latest-info
 
diff --git a/colab.spec b/colab.spec
index 84323a1..e2a6d4c 100644
--- a/colab.spec
+++ b/colab.spec
@@ -1,5 +1,6 @@
 %define name colab
-# version must be given from command line
+%define default_version 1
+%{!?version: %define version %{default_version}}
 %define unmangled_version %{version}
 %define default_release 1
 %{!?release: %define release %{default_release}}
--
libgit2 0.21.2