diff --git a/.github/workflows/install-test-conda-forge.yml b/.github/workflows/install-test-conda-forge.yml
index 60bf506..daa6391 100644
--- a/.github/workflows/install-test-conda-forge.yml
+++ b/.github/workflows/install-test-conda-forge.yml
@@ -30,7 +30,7 @@ jobs:
       - name: Install package
         run: |
           conda info
-          conda install orthority>=0.5.0
+          conda install orthority>=0.5.1
           conda list
 
       - name: Install OpenCV Linux dependencies
diff --git a/orthority/version.py b/orthority/version.py
index dad7be6..f1e435a 100644
--- a/orthority/version.py
+++ b/orthority/version.py
@@ -13,4 +13,4 @@
 # You should have received a copy of the GNU Affero General Public License along with Orthority.
 # If not, see <https://www.gnu.org/licenses/>.
 
-__version__ = '0.5.0'
+__version__ = '0.5.1'