diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2788b92..20d20c4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -79,7 +79,7 @@ jobs:
 
       - name: Sign nupkg
         shell: cmd
-        run: jsign --storetype AWS --keystore us-west-2 --alias %KEY_ID% --certfile %CERT_FILE% DuoUniversal*.nupkg
+        run: jsign --tsaurl http://timestamp.digicert.com --tsmode RFC3161 --storetype AWS --keystore us-west-2 --alias %KEY_ID% --certfile %CERT_FILE% DuoUniversal*.nupkg
         env:
           CERT_FILE: authenticode.cer
           KEY_ID: ${{ secrets.AUTHENTICODE_KMS_KEY_ID }}