diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a7b1d45..b7fe757 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,13 +21,27 @@ jobs:
         with:
           dotnet-version: 10.x
 
-      - name: Build Solution
-        run: dotnet build TimeMocker.sln -c Release -p:Platform=x64
+      - name: Build Hook DLL (x86)
+        run: dotnet build TimeMocker.Hook\TimeMocker.Hook.csproj -c Release -p:Platform=x86
+
+      - name: Build Hook DLL (x64)
+        run: dotnet build TimeMocker.Hook\TimeMocker.Hook.csproj -c Release -p:Platform=x64
+
+      - name: Build UI
+        run: dotnet build TimeMocker.UI\TimeMocker.UI.csproj -c Release -p:Platform=x64
+
+      - name: Verify Hook DLL sizes
+        run: |
+          $x64 = (Get-Item "TimeMocker.Hook\bin\x64\Release\net48\TimeMocker.Hook.dll").Length
+          $x86 = (Get-Item "TimeMocker.Hook\bin\x86\Release\net48\TimeMocker.Hook.dll").Length
+          Write-Host "x64 hook DLL: $x64 bytes"
+          Write-Host "x86 hook DLL: $x86 bytes"
+          if ($x64 -lt 20000) { throw "x64 hook DLL too small - build failed silently" }
+          if ($x86 -lt 20000) { throw "x86 hook DLL too small - build failed silently" }
 
       - name: Prepare Release Artifacts
         run: |
           mkdir release
-          # Copy all DLLs from the build output
           copy TimeMocker.UI\bin\x64\Release\net48\*.dll release\
           copy TimeMocker.UI\bin\x64\Release\net48\*.exe release\
           copy TimeMocker.UI\bin\x64\Release\net48\*.config release\