diff --git a/build.fsx b/build.fsx
index 632d2dbb..1a9a22f4 100644
--- a/build.fsx
+++ b/build.fsx
@@ -268,6 +268,9 @@ Target "MklWinBuild" (fun _ ->
     CreateDir mklSolution.OutputNuGetDir
     nugetPackManually mklSolution [ mklWinPack; mklWin32Pack; mklWin64Pack ]
 
+    // NuGet Sign (all or nothing)
+    if isWindows && hasBuildParam "sign" then signNuGet fingerprint timeserver mklSolution
+
     )
 "Prepare" ==> "MklWinBuild"
 
@@ -280,6 +283,9 @@ Target "CudaWinBuild" (fun _ ->
     CreateDir cudaSolution.OutputNuGetDir
     nugetPackManually cudaSolution [ cudaWinPack ]
 
+    // NuGet Sign (all or nothing)
+    if isWindows && hasBuildParam "sign" then signNuGet fingerprint timeserver cudaSolution
+
     )
 "Prepare" ==> "CudaWinBuild"
 
@@ -293,6 +299,9 @@ Target "OpenBlasWinBuild" (fun _ ->
     CreateDir openBlasSolution.OutputNuGetDir
     nugetPackManually openBlasSolution [ openBlasWinPack ]
 
+    // NuGet Sign (all or nothing)
+    if isWindows && hasBuildParam "sign" then signNuGet fingerprint timeserver openBlasSolution
+
     )
 "Prepare" ==> "OpenBlasWinBuild"