diff --git a/config/container/sources.list b/config/container/sources.list
index 3d7e334..0aacb51 100644
--- a/config/container/sources.list
+++ b/config/container/sources.list
@@ -1,6 +1,6 @@
 deb https://deb.debian.org/debian buster main
-deb https://snapshot.debian.org/archive/debian/20201110T000000Z buster main
-deb https://security.debian.org/debian-security buster/updates main
-deb https://snapshot.debian.org/archive/debian-security/20201110T000000Z buster/updates main
-deb https://deb.debian.org/debian buster-updates main
-deb https://snapshot.debian.org/archive/debian/20201110T000000Z buster-updates main
+deb https://snapshot.debian.org/archive/debian/20201214T000000Z buster main
+deb http://security.debian.org/debian-security buster/updates main
+deb https://snapshot.debian.org/archive/debian-security/20201214T000000Z buster/updates main
+deb http://deb.debian.org/debian buster-updates main
+deb https://snapshot.debian.org/archive/debian/20201214T000000Z buster-updates main
diff --git a/scripts/update-packages b/scripts/update-packages
index 970fd61..d058c1e 100755
--- a/scripts/update-packages
+++ b/scripts/update-packages
@@ -12,9 +12,9 @@ snapshot_date=$(date -d @${GIT_EPOCH} +"%Y%m%dT000000Z")
 cat <<-EOF > /etc/apt/sources.list
 deb https://deb.debian.org/debian buster main
 deb https://snapshot.debian.org/archive/debian/${snapshot_date} buster main
-deb https://security.debian.org/debian-security buster/updates main
+deb http://security.debian.org/debian-security buster/updates main
 deb https://snapshot.debian.org/archive/debian-security/${snapshot_date} buster/updates main
-deb https://deb.debian.org/debian buster-updates main
+deb http://deb.debian.org/debian buster-updates main
 deb https://snapshot.debian.org/archive/debian/${snapshot_date} buster-updates main
 EOF