diff --git a/deploy/sign/sign-app.bat b/deploy/sign/sign-app.bat
index 66ddf1e0..9f5beff3 100644
--- a/deploy/sign/sign-app.bat
+++ b/deploy/sign/sign-app.bat
@@ -5,4 +5,4 @@
 
 @call sign-env-certum.bat
 
-signtool.exe sign /n "%CRT_NAME%" /fd sha256 /tr http://time.certum.pl/ %APP_PATH%
+signtool.exe sign /n "%CRT_NAME%" /fd sha256 /tr %TS_URL% %APP_PATH%
diff --git a/deploy/sign/sign-cabs.bat b/deploy/sign/sign-cabs.bat
index 09690a67..2ea2adb0 100644
--- a/deploy/sign/sign-cabs.bat
+++ b/deploy/sign/sign-cabs.bat
@@ -5,4 +5,4 @@
 
 @call sign-env-certum.bat
 
-signtool.exe sign /n "%CRT_NAME%" /fd sha256 /tr http://time.certum.pl/ %CAB_PATH%
+signtool.exe sign /n "%CRT_NAME%" /fd sha256 /tr %TS_URL% %CAB_PATH%
diff --git a/deploy/sign/sign-driver.bat b/deploy/sign/sign-driver.bat
index ede6bba1..3e1acdf3 100644
--- a/deploy/sign/sign-driver.bat
+++ b/deploy/sign/sign-driver.bat
@@ -8,4 +8,4 @@
 
 @call sign-env-sectigo.bat
 
-signtool.exe sign /ac "%CRT_PATH%" /n "%CRT_NAME%" /fd sha256 /tr http://time.certum.pl/ %DRV_PATH%
+signtool.exe sign /ac "%CRT_PATH%" /n "%CRT_NAME%" /fd sha256 /tr %TS_URL% %DRV_PATH%
diff --git a/deploy/sign/sign-env-certum.bat b/deploy/sign/sign-env-certum.bat
index b398b110..ad64ad17 100644
--- a/deploy/sign/sign-env-certum.bat
+++ b/deploy/sign/sign-env-certum.bat
@@ -3,3 +3,5 @@
 @rem Certum
 @set CRT_PATH=cert\Certum Trusted Network CA.crt
 @set CRT_NAME=Open Source Developer, Nodir Temirkhodjaev
+
+@set TS_URL=http://timestamp.apple.com/ts01
diff --git a/deploy/sign/sign-env-sectigo.bat b/deploy/sign/sign-env-sectigo.bat
index 9b0dffe4..6b79a498 100644
--- a/deploy/sign/sign-env-sectigo.bat
+++ b/deploy/sign/sign-env-sectigo.bat
@@ -3,3 +3,5 @@
 @rem Sectigo
 @set CRT_PATH=cert\SectigoPublicCodeSigningRootR46_AAA.crt
 @set CRT_NAME=Renew-it-now
+
+@set TS_URL=https://timestamp.sectigo.com
diff --git a/deploy/sign/sign-out.bat b/deploy/sign/sign-out.bat
index eabc3489..ebac461e 100644
--- a/deploy/sign/sign-out.bat
+++ b/deploy/sign/sign-out.bat
@@ -5,4 +5,4 @@
 
 @call sign-env-certum.bat
 
-signtool.exe sign /n "%CRT_NAME%" /fd sha256 /tr http://time.certum.pl/ %OUT_PATH%
+signtool.exe sign /n "%CRT_NAME%" /fd sha256 /tr %TS_URL% %OUT_PATH%