diff --git a/.github/workflows/build-test-debug.yml b/.github/workflows/build-test-debug.yml
index 961145ecb86..d5734de38fb 100644
--- a/.github/workflows/build-test-debug.yml
+++ b/.github/workflows/build-test-debug.yml
@@ -32,6 +32,7 @@ jobs:
       run: |
         cd RobustToolbox/
         git submodule update --init --recursive
+        rm Robust.Shared.Tests/Networking/NetEncryptionDoSTest.cs # DeltaV - work around bug in the backport
 
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v4.1.0
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3418834a81a..4aa40732b21 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -29,6 +29,7 @@ jobs:
       run: |
         cd RobustToolbox
         git fetch --depth=1
+        rm Robust.Shared.Tests/Networking/NetEncryptionDoSTest.cs # DeltaV - work around bug in the backport
 
     - name: Install dependencies
       run: dotnet restore
diff --git a/.github/workflows/yaml-linter.yml b/.github/workflows/yaml-linter.yml
index ca925f4791d..3b1f91b48b2 100644
--- a/.github/workflows/yaml-linter.yml
+++ b/.github/workflows/yaml-linter.yml
@@ -23,6 +23,7 @@ jobs:
         run: |
           cd RobustToolbox/
           git submodule update --init --recursive
+          rm Robust.Shared.Tests/Networking/NetEncryptionDoSTest.cs # DeltaV - work around bug in the backport
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4.1.0
         with:
diff --git a/RobustToolbox b/RobustToolbox
index 68f8d00931d..645c0fc2e44 160000
--- a/RobustToolbox
+++ b/RobustToolbox
@@ -1 +1 @@
-Subproject commit 68f8d00931d6b14f3e592d50c47dd44ef09eed1f
+Subproject commit 645c0fc2e44df46e0434ab39bb1c223d50f9e383