diff --git a/docs/diff-tool.md b/docs/diff-tool.md
index f4446666..2db6347e 100644
--- a/docs/diff-tool.md
+++ b/docs/diff-tool.md
@@ -347,9 +347,9 @@ DiffTools.UseOrder(DiffTool.DiffEngineViewer);
     * `%USERPROFILE%\.dotnet\tools\DiffEngineViewer.exe`
     * `%USERPROFILE%\.dotnet\tools\.store\diffenginetray\*\diffenginetray.win-x64\*\tools\*\win-x64\viewer\win-x64\DiffEngineViewer.exe`
     * `%USERPROFILE%\.dotnet\tools\.store\diffenginetray\*\diffenginetray\*\tools\*\any\viewer\win-x64\DiffEngineViewer.exe`
-    * `%NUGET_PACKAGES%\diffengine\20.8.2\tools\viewer\win-x64\DiffEngineViewer.exe`
+    * `%NUGET_PACKAGES%\diffengine\{version}\tools\viewer\win-x64\DiffEngineViewer.exe`
     * `%NUGET_PACKAGES%\diffengine\*\tools\viewer\win-x64\DiffEngineViewer.exe`
-    * `%USERPROFILE%\.nuget\packages\diffengine\20.8.2\tools\viewer\win-x64\DiffEngineViewer.exe`
+    * `%USERPROFILE%\.nuget\packages\diffengine\{version}\tools\viewer\win-x64\DiffEngineViewer.exe`
     * `%USERPROFILE%\.nuget\packages\diffengine\*\tools\viewer\win-x64\DiffEngineViewer.exe`
     * `%PATH%DiffEngineViewer.exe`
 
@@ -366,9 +366,9 @@ DiffTools.UseOrder(DiffTool.DiffEngineViewer);
   * Scanned paths:
     * `%HOME%/.dotnet/tools/DiffEngineViewer`
     * `%HOME%/.dotnet/tools/.store/diffenginetray/*/diffenginetray.osx-x64/*/tools/*/osx-x64/viewer/osx-x64/DiffEngineViewer`
-    * `%NUGET_PACKAGES%/diffengine/20.8.2/tools/viewer/osx-x64/DiffEngineViewer`
+    * `%NUGET_PACKAGES%/diffengine/{version}/tools/viewer/osx-x64/DiffEngineViewer`
     * `%NUGET_PACKAGES%/diffengine/*/tools/viewer/osx-x64/DiffEngineViewer`
-    * `%HOME%/.nuget/packages/diffengine/20.8.2/tools/viewer/osx-x64/DiffEngineViewer`
+    * `%HOME%/.nuget/packages/diffengine/{version}/tools/viewer/osx-x64/DiffEngineViewer`
     * `%HOME%/.nuget/packages/diffengine/*/tools/viewer/osx-x64/DiffEngineViewer`
     * `%PATH%DiffEngineViewer`
 
@@ -385,9 +385,9 @@ DiffTools.UseOrder(DiffTool.DiffEngineViewer);
   * Scanned paths:
     * `%HOME%/.dotnet/tools/DiffEngineViewer`
     * `%HOME%/.dotnet/tools/.store/diffenginetray/*/diffenginetray.linux-x64/*/tools/*/linux-x64/viewer/linux-x64/DiffEngineViewer`
-    * `%NUGET_PACKAGES%/diffengine/20.8.2/tools/viewer/linux-x64/DiffEngineViewer`
+    * `%NUGET_PACKAGES%/diffengine/{version}/tools/viewer/linux-x64/DiffEngineViewer`
     * `%NUGET_PACKAGES%/diffengine/*/tools/viewer/linux-x64/DiffEngineViewer`
-    * `%HOME%/.nuget/packages/diffengine/20.8.2/tools/viewer/linux-x64/DiffEngineViewer`
+    * `%HOME%/.nuget/packages/diffengine/{version}/tools/viewer/linux-x64/DiffEngineViewer`
     * `%HOME%/.nuget/packages/diffengine/*/tools/viewer/linux-x64/DiffEngineViewer`
     * `%PATH%DiffEngineViewer`
 
diff --git a/src/DiffEngine.Tests/DefinitionsTest.cs b/src/DiffEngine.Tests/DefinitionsTest.cs
index 40bb4fe9..0ce5a426 100644
--- a/src/DiffEngine.Tests/DefinitionsTest.cs
+++ b/src/DiffEngine.Tests/DefinitionsTest.cs
@@ -284,9 +284,26 @@ static void WritePaths(string exeName, string pathCommandName, TextWriter writer
 
         foreach (var path in paths)
         {
-            writer.WriteLine($"    * `{path}{exeName}`");
+            writer.WriteLine($"    * `{WithoutLibraryVersion(path)}{exeName}`");
         }
 
         writer.WriteLine($"    * `%PATH%{pathCommandName}`");
     }
+
+    /// <summary>
+    /// The viewer is looked for in the NuGet cache under this library's own version first, which
+    /// written as it is made the generated docs stale at every release.
+    /// </summary>
+    static string WithoutLibraryVersion(string path)
+    {
+        var version = FallbackViewerDirectories.LibraryVersion();
+        if (version == null)
+        {
+            return path;
+        }
+
+        return path
+            .Replace($@"\diffengine\{version}\", @"\diffengine\{version}\")
+            .Replace($"/diffengine/{version}/", "/diffengine/{version}/");
+    }
 }
diff --git a/src/DiffEngine.Tests/diffTools.include.md b/src/DiffEngine.Tests/diffTools.include.md
index 0d81e066..149acf51 100644
--- a/src/DiffEngine.Tests/diffTools.include.md
+++ b/src/DiffEngine.Tests/diffTools.include.md
@@ -179,9 +179,9 @@ DiffTools.UseOrder(DiffTool.DiffEngineViewer);
     * `%USERPROFILE%\.dotnet\tools\DiffEngineViewer.exe`
     * `%USERPROFILE%\.dotnet\tools\.store\diffenginetray\*\diffenginetray.win-x64\*\tools\*\win-x64\viewer\win-x64\DiffEngineViewer.exe`
     * `%USERPROFILE%\.dotnet\tools\.store\diffenginetray\*\diffenginetray\*\tools\*\any\viewer\win-x64\DiffEngineViewer.exe`
-    * `%NUGET_PACKAGES%\diffengine\20.8.2\tools\viewer\win-x64\DiffEngineViewer.exe`
+    * `%NUGET_PACKAGES%\diffengine\{version}\tools\viewer\win-x64\DiffEngineViewer.exe`
     * `%NUGET_PACKAGES%\diffengine\*\tools\viewer\win-x64\DiffEngineViewer.exe`
-    * `%USERPROFILE%\.nuget\packages\diffengine\20.8.2\tools\viewer\win-x64\DiffEngineViewer.exe`
+    * `%USERPROFILE%\.nuget\packages\diffengine\{version}\tools\viewer\win-x64\DiffEngineViewer.exe`
     * `%USERPROFILE%\.nuget\packages\diffengine\*\tools\viewer\win-x64\DiffEngineViewer.exe`
     * `%PATH%DiffEngineViewer.exe`
 
@@ -198,9 +198,9 @@ DiffTools.UseOrder(DiffTool.DiffEngineViewer);
   * Scanned paths:
     * `%HOME%/.dotnet/tools/DiffEngineViewer`
     * `%HOME%/.dotnet/tools/.store/diffenginetray/*/diffenginetray.osx-x64/*/tools/*/osx-x64/viewer/osx-x64/DiffEngineViewer`
-    * `%NUGET_PACKAGES%/diffengine/20.8.2/tools/viewer/osx-x64/DiffEngineViewer`
+    * `%NUGET_PACKAGES%/diffengine/{version}/tools/viewer/osx-x64/DiffEngineViewer`
     * `%NUGET_PACKAGES%/diffengine/*/tools/viewer/osx-x64/DiffEngineViewer`
-    * `%HOME%/.nuget/packages/diffengine/20.8.2/tools/viewer/osx-x64/DiffEngineViewer`
+    * `%HOME%/.nuget/packages/diffengine/{version}/tools/viewer/osx-x64/DiffEngineViewer`
     * `%HOME%/.nuget/packages/diffengine/*/tools/viewer/osx-x64/DiffEngineViewer`
     * `%PATH%DiffEngineViewer`
 
@@ -217,9 +217,9 @@ DiffTools.UseOrder(DiffTool.DiffEngineViewer);
   * Scanned paths:
     * `%HOME%/.dotnet/tools/DiffEngineViewer`
     * `%HOME%/.dotnet/tools/.store/diffenginetray/*/diffenginetray.linux-x64/*/tools/*/linux-x64/viewer/linux-x64/DiffEngineViewer`
-    * `%NUGET_PACKAGES%/diffengine/20.8.2/tools/viewer/linux-x64/DiffEngineViewer`
+    * `%NUGET_PACKAGES%/diffengine/{version}/tools/viewer/linux-x64/DiffEngineViewer`
     * `%NUGET_PACKAGES%/diffengine/*/tools/viewer/linux-x64/DiffEngineViewer`
-    * `%HOME%/.nuget/packages/diffengine/20.8.2/tools/viewer/linux-x64/DiffEngineViewer`
+    * `%HOME%/.nuget/packages/diffengine/{version}/tools/viewer/linux-x64/DiffEngineViewer`
     * `%HOME%/.nuget/packages/diffengine/*/tools/viewer/linux-x64/DiffEngineViewer`
     * `%PATH%DiffEngineViewer`