diff --git a/requirements.txt b/requirements.txt
index 9de281e..0f98619 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,13 +13,13 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-SpiNNUtilities >= 1!5.1.1, < 1!6.0.0
-SpiNNMachine >= 1!5.1.1, < 1!6.0.0
-SpiNNMan >= 1!5.1.1, < 1!6.0.0
-SpiNNaker_PACMAN >= 1!5.1.1, < 1!6.0.0
-SpiNNaker_DataSpecification >= 1!5.1.1, < 1!6.0.0
-spalloc >= 2.0.2, < 3.0.0
-SpiNNFrontEndCommon >= 1!5.1.1, < 1!6.0.0
+SpiNNUtilities == 1!6.0.0
+SpiNNMachine == 1!6.0.0
+SpiNNMan == 1!6.0.0
+SpiNNaker_PACMAN == 1!6.0.0
+SpiNNaker_DataSpecification == 1!6.0.0
+spalloc == 1!6.0.0
+SpiNNFrontEndCommon == 1!6.0.0
 numpy > 1.13, < 1.20; python_version == '3.6'
 numpy > 1.13, < 1.21; python_version == '3.7'
 numpy; python_version >= '3.8'
diff --git a/setup.py b/setup.py
index 6a2ffb2..9132430 100644
--- a/setup.py
+++ b/setup.py
@@ -71,12 +71,12 @@
     ],
     packages=packages,
     package_data=package_data,
-    install_requires=['SpiNNUtilities >= 1!5.1.1, < 1!6.0.0',
-                      'SpiNNMachine >= 1!5.1.1, < 1!6.0.0',
-                      'SpiNNMan >= 1!5.1.1, < 1!6.0.0',
-                      'SpiNNaker_PACMAN >= 1!5.1.1, < 1!6.0.0',
-                      'SpiNNaker_DataSpecification >= 1!5.1.1, < 1!6.0.0',
-                      'spalloc >= 2.0.2, < 3.0.0',
+    install_requires=['SpiNNUtilities == 1!6.0.0',
+                      'SpiNNMachine == 1!6.0.0',
+                      'SpiNNMan == 1!6.0.0',
+                      'SpiNNaker_PACMAN == 1!6.0.0',
+                      'SpiNNaker_DataSpecification == 1!6.0.0',
+                      'spalloc == 1!6.0.0',
                       "numpy > 1.13, < 1.20; python_version == '3.6'",
                       "numpy > 1.13, < 1.21; python_version == '3.7'",
                       "numpy; python_version >= '3.8'"],
diff --git a/spinnaker_testbase/_version.py b/spinnaker_testbase/_version.py
index c8acc78..3d20657 100644
--- a/spinnaker_testbase/_version.py
+++ b/spinnaker_testbase/_version.py
@@ -13,9 +13,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-__version__ = "1!5.1.1"
-__version_month__ = "February"
+__version__ = "1!6.0.0"
+__version_month__ = "April"
 __version_year__ = "2021"
-__version_day__ = "16"
-__version_name__ = "Liveware Problem"
-__version_type__ = "alpha"  # or "beta" or "production"
+__version_day__ = "9"
+__version_name__ = "Now We Try It My Way"
+__version_type__ = "productiony"  # or "beta" or "production"