diff --git a/configure.ac b/configure.ac
index b089126c91..a057170f59 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@ AC_SUBST([WRAPPER_RELEASE])
 VBOXWRAPPER_RELEASE=26209
 AC_SUBST([VBOXWRAPPER_RELEASE])
 
-WORKER_RELEASE=2
+WORKER_RELEASE=4
 AC_SUBST([WORKER_RELEASE])
 
 AC_CANONICAL_TARGET
diff --git a/win_build/worker.vcxproj b/win_build/worker.vcxproj
index 3e74341af4..6f1ab90582 100644
--- a/win_build/worker.vcxproj
+++ b/win_build/worker.vcxproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
   <Import Project="boinc.props" />
   <PropertyGroup>
-    <TargetVersion>2</TargetVersion>
+    <TargetVersion>4</TargetVersion>
     <TargetName>worker_$(TargetVersion)_windows_x86_64</TargetName>
   </PropertyGroup>
   <ItemDefinitionGroup>