diff --git a/make_debian.sh b/make_debian.sh
old mode 100755
new mode 100644
index 17294e0d..3bed6750
--- a/make_debian.sh
+++ b/make_debian.sh
@@ -70,7 +70,7 @@ Architecture: $ARCH
 Maintainer: John Baier <ebusd@ebusd.eu>
 Homepage: https://github.com/john30/ebusd
 Bugs: https://github.com/john30/ebusd/issues
-Depends: libstdc++6, libc6, libgcc1$extralibs
+Depends: libstdc++6 (>= 4.8.1), libc6, libgcc1$extralibs
 Description: eBUS daemon.
  ebusd is a daemon for handling communication with eBUS devices connected to a
  2-wire bus system.
diff --git a/make_freetz.sh b/make_freetz.sh
old mode 100755
new mode 100644
index 0b737a4a..fd6c64b5
--- a/make_freetz.sh
+++ b/make_freetz.sh
@@ -53,7 +53,7 @@ Version: $VERSION
 Maintainer: John Baier <ebusd@ebusd.eu>
 Homepage: https://github.com/john30/ebusd
 Bugs: https://github.com/john30/ebusd/issues
-Depends: libstdc++6, libc6, libgcc1
+Depends: libstdc++6 (>= 4.8.1), libc6, libgcc1
 Description: eBUS daemon.
  ebusd is a daemon for handling communication with eBUS devices connected to a
  2-wire bus system.