diff --git a/src/paket.dependencies b/src/paket.dependencies
index ea3b954d..9fd2bcd5 100644
--- a/src/paket.dependencies
+++ b/src/paket.dependencies
@@ -11,8 +11,8 @@ source https://api.nuget.org/v3/index.json
 nuget nlog
 nuget LibGit2Sharp
 nuget Moq
-nuget structuremap 2.6.3
-nuget StructureMap.AutoMocking 2.6.3
+nuget structuremap 2.6.4.1
+nuget StructureMap.AutoMocking 2.6.4.1
 nuget xunit
 nuget xunit.assert
 nuget xunit.runner.visualstudio version_in_path: true
diff --git a/src/paket.lock b/src/paket.lock
index 4dfdeb49..e6ff07b8 100644
--- a/src/paket.lock
+++ b/src/paket.lock
@@ -9,9 +9,9 @@ NUGET
       Castle.Core (>= 4.4)
       System.Threading.Tasks.Extensions (>= 4.5.1)
     NLog (4.7.5)
-    structuremap (2.6.3)
-    structuremap.automocking (2.6.3)
-      structuremap (>= 2.6.2)
+    structuremap (2.6.4.1)
+    structuremap.automocking (2.6.4.1)
+      structuremap (>= 2.6.4)
     System.Runtime.CompilerServices.Unsafe (4.7.1)
     System.Threading.Tasks.Extensions (4.5.4)
       System.Runtime.CompilerServices.Unsafe (>= 4.5.3)