diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index 310a68875..dcf1004e8 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -45,6 +45,6 @@
     <PackageVersion Include="Stryker.Regex.Parser" Version="1.0.0" />
     <PackageVersion Include="Shouldly" Version="4.2.1" />
     <PackageVersion Include="Spectre.Console.Testing" Version="0.49.1" />
-    <PackageVersion Include="TestableIO.System.IO.Abstractions.TestingHelpers" Version="21.1.1" />
+    <PackageVersion Include="TestableIO.System.IO.Abstractions.TestingHelpers" Version="21.1.2" />
   </ItemGroup>
 </Project>
diff --git a/src/Stryker.CLI/Stryker.CLI.UnitTest/packages.lock.json b/src/Stryker.CLI/Stryker.CLI.UnitTest/packages.lock.json
index 41d168402..98e7fa1e2 100644
--- a/src/Stryker.CLI/Stryker.CLI.UnitTest/packages.lock.json
+++ b/src/Stryker.CLI/Stryker.CLI.UnitTest/packages.lock.json
@@ -73,12 +73,12 @@
       },
       "TestableIO.System.IO.Abstractions.TestingHelpers": {
         "type": "Direct",
-        "requested": "[21.1.1, )",
-        "resolved": "21.1.1",
-        "contentHash": "mBG+qZdA+nrMVEEm0GIRTiWnVtqndGGuutLlMqBCc/42lPDQx1Nboyuz2oO3BVf8Jm7haJllu9druFYmJP7t3w==",
+        "requested": "[21.1.2, )",
+        "resolved": "21.1.2",
+        "contentHash": "w9BAhBhV+KVz8cob8PpBTJa9RZqT4H7oAGK99TNS2zRtWCi/EY+L+w3riP/3Vr+Ws9tec7g6rhp0wv7Tw4lV3A==",
         "dependencies": {
-          "TestableIO.System.IO.Abstractions": "21.1.1",
-          "TestableIO.System.IO.Abstractions.Wrappers": "21.1.1"
+          "TestableIO.System.IO.Abstractions": "21.1.2",
+          "TestableIO.System.IO.Abstractions.Wrappers": "21.1.2"
         }
       },
       "Azure.Core": {
diff --git a/src/Stryker.Core/Stryker.Core.UnitTest/packages.lock.json b/src/Stryker.Core/Stryker.Core.UnitTest/packages.lock.json
index c0a923f3c..b8e115249 100644
--- a/src/Stryker.Core/Stryker.Core.UnitTest/packages.lock.json
+++ b/src/Stryker.Core/Stryker.Core.UnitTest/packages.lock.json
@@ -100,12 +100,12 @@
       },
       "TestableIO.System.IO.Abstractions.TestingHelpers": {
         "type": "Direct",
-        "requested": "[21.1.1, )",
-        "resolved": "21.1.1",
-        "contentHash": "mBG+qZdA+nrMVEEm0GIRTiWnVtqndGGuutLlMqBCc/42lPDQx1Nboyuz2oO3BVf8Jm7haJllu9druFYmJP7t3w==",
+        "requested": "[21.1.2, )",
+        "resolved": "21.1.2",
+        "contentHash": "w9BAhBhV+KVz8cob8PpBTJa9RZqT4H7oAGK99TNS2zRtWCi/EY+L+w3riP/3Vr+Ws9tec7g6rhp0wv7Tw4lV3A==",
         "dependencies": {
-          "TestableIO.System.IO.Abstractions": "21.1.1",
-          "TestableIO.System.IO.Abstractions.Wrappers": "21.1.1"
+          "TestableIO.System.IO.Abstractions": "21.1.2",
+          "TestableIO.System.IO.Abstractions.Wrappers": "21.1.2"
         }
       },
       "Azure.Core": {