diff --git a/.travis.yml b/.travis.yml
index b36dfec..bcd2016 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,9 @@ language: go
 
 # Versions of go that are explicitly supported by gonum.
 go:
- - 1.5beta2
  - 1.3.3
  - 1.4.2
+ - 1.5beta3
 
 env:
   matrix:
diff --git a/.travis/linux/OpenBLAS/install.sh b/.travis/linux/OpenBLAS/install.sh
index 747d366..2478608 100644
--- a/.travis/linux/OpenBLAS/install.sh
+++ b/.travis/linux/OpenBLAS/install.sh
@@ -3,6 +3,7 @@ sudo apt-get install -qq gfortran
 pushd ~
 sudo git clone --depth=1 git://github.com/xianyi/OpenBLAS
 pushd OpenBLAS
+echo OpenBLAS $(git rev-parse HEAD)
 sudo make FC=gfortran &> /dev/null
 sudo make PREFIX=/usr install
 popd