diff --git a/build/version.json b/build/version.json
index 11ecef66..0929b8e7 100644
--- a/build/version.json
+++ b/build/version.json
@@ -1,6 +1,6 @@
 {
   "Major": 2,
   "Minor": 4,
-  "Patch": 0,
-  "PreRelease": ""
+  "Patch": 1,
+  "PreRelease": "pre"
 }
diff --git a/src/DataCore.Adapter/Tags/TagManager.cs b/src/DataCore.Adapter/Tags/TagManager.cs
index 44d49394..d29f069f 100644
--- a/src/DataCore.Adapter/Tags/TagManager.cs
+++ b/src/DataCore.Adapter/Tags/TagManager.cs
@@ -78,6 +78,11 @@ public class TagManager : ITagSearch, IFeatureHealthCheck, IDisposable {
         /// <inheritdoc/>
         public IBackgroundTaskService BackgroundTaskService { get; }
 
+        /// <summary>
+        /// The number of tag definitions held by the <see cref="TagManager"/>.
+        /// </summary>
+        public int Count => _tagsById.Count;
+
 
         /// <summary>
         /// Creates a new <see cref="TagManager"/> object.