diff --git a/base/univention-base-files/conffiles/etc/apt/apt.conf.d/20secureapt b/base/univention-base-files/conffiles/etc/apt/apt.conf.d/20secureapt
index 2bd25aa6f1..d5f7d14ce3 100644
--- a/base/univention-base-files/conffiles/etc/apt/apt.conf.d/20secureapt
+++ b/base/univention-base-files/conffiles/etc/apt/apt.conf.d/20secureapt
@@ -9,4 +9,5 @@ else:
 	print('APT::Get::AllowUnauthenticated 1 ;')
 	print('Binary::apt-get::Acquire::AllowInsecureRepositories "true";')
 	print('Acquire::AllowInsecureRepositories "true";')
+	print('Acquire::Max-FutureTime 315360000;')
 @!@