diff --git a/CITATION.cff b/CITATION.cff
index 3f8fc60..e2b2e95 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -29,5 +29,5 @@ keywords:
   - graph isomorphism
   - edit distance
 license: LGPL-3.0-or-later
-version: 0.4.0
-date-released: '2026-09-09'
+version: 0.5.0
+date-released: '2026-09-16'
diff --git a/README.md b/README.md
index 9697dc6..a573bb0 100644
--- a/README.md
+++ b/README.md
@@ -284,7 +284,7 @@ problem with the automatic choice.
 An unrecognized value raises a `ValueError` rather than falling back to a default.
 
 ### Version Information
-`--version` or `-v` writes a line such as `Graphtage version 0.4.0` to STDERR. If you pass it without any input files,
+`--version` or `-v` writes a line such as `Graphtage version 0.5.0` to STDERR. If you pass it without any input files,
 Graphtage prints the version and exits; if you pass input files as well, it prints the version and then computes the
 diff. `-dumpversion` writes the raw version to STDOUT and exits without reading any input.
 
diff --git a/docs/_templates/layout.html b/docs/_templates/layout.html
index 729623d..63024d4 100644
--- a/docs/_templates/layout.html
+++ b/docs/_templates/layout.html
@@ -17,6 +17,7 @@
         <dl>
           <dt>{{ _('Versions') }}</dt>
           <dd><a href="{{ version_root }}latest/">latest</a></dd>
+          <dd><a href="{{ version_root }}v0.5.0/">0.5.0</a></dd>
           <dd><a href="{{ version_root }}v0.4.0/">0.4.0</a></dd>
           <dd><a href="{{ version_root }}v0.3.1/">0.3.1</a></dd>
           <dd><a href="{{ version_root }}v0.3.0/">0.3.0</a></dd>
diff --git a/graphtage/version.py b/graphtage/version.py
index 1e83d37..dab7c6a 100644
--- a/graphtage/version.py
+++ b/graphtage/version.py
@@ -4,7 +4,7 @@
 automatically updates the version used in the build system and rendered in the documentation.
 """
 
-__version__ = "0.4.0"
+__version__ = "0.5.0"
 VERSION_STRING = __version__
 
 # For backwards compatibility with code that expects the tuple format