diff --git a/src/ISide.cs b/src/ISide.cs
index 495595f..9193906 100644
--- a/src/ISide.cs
+++ b/src/ISide.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace SAPTeam.Zily
 {
@@ -12,6 +13,11 @@ public interface ISide
         /// </summary>
         string Protocol { get; }
 
+        /// <summary>
+        /// Gets the version of the <see cref="ISide"/>.
+        /// </summary>
+        Version Version { get; }
+
         /// <summary>
         /// Gets the identifiers of the <see cref="ISide"/>.
         /// </summary>
diff --git a/src/Side.cs b/src/Side.cs
index e2e5410..a6c624e 100644
--- a/src/Side.cs
+++ b/src/Side.cs
@@ -13,6 +13,9 @@ public class Side : ISide
         /// <inheritdoc/>
         public string Protocol { get; }
 
+        /// <inheritdoc/>
+        public Version Version { get; }
+
         /// <inheritdoc/>
         public string[] Identifiers { get; }