diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index a49ae73fe3..775f1e6d83 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -14,7 +14,7 @@
 
  </PropertyGroup>
  <PropertyGroup>
-    <PackageVersion_LibGit2Sharp>0.25.0-preview-0033</PackageVersion_LibGit2Sharp>
+    <PackageVersion_LibGit2Sharp>0.26.0</PackageVersion_LibGit2Sharp>
     <PackageVersion_JetBrainsAnnotations>2019.1.1</PackageVersion_JetBrainsAnnotations>
     <PackageVersion_YamlDotNet>6.1.1</PackageVersion_YamlDotNet>
  </PropertyGroup>
diff --git a/src/GitVersionCore.Tests/Mocks/MockRepository.cs b/src/GitVersionCore.Tests/Mocks/MockRepository.cs
index 33e8709a4d..f9e9c29f71 100644
--- a/src/GitVersionCore.Tests/Mocks/MockRepository.cs
+++ b/src/GitVersionCore.Tests/Mocks/MockRepository.cs
@@ -225,6 +225,7 @@ public IQueryableCommitLog Commits
     public ObjectDatabase ObjectDatabase { get; set; }
     public NoteCollection Notes { get; set; }
     public SubmoduleCollection Submodules { get; set; }
+    public WorktreeCollection Worktrees { get; }
     public Rebase Rebase { get; private set; }
 
     public Ignore Ignore