diff --git a/guides/common/assembly_importing-content.adoc b/guides/common/assembly_importing-content.adoc
index e9a714e809..db399482b5 100644
--- a/guides/common/assembly_importing-content.adoc
+++ b/guides/common/assembly_importing-content.adoc
@@ -111,9 +111,9 @@ include::modules/proc_adding-custom-deb-repositories.adoc[leveloffset=+1]
 :DL-major-context: 12
 :DL-major: {DL-major-context}
 :DL-oss-atix-de-url: https://oss.atix.de/Debian12/
-:DL-repo-main-url: http://deb.debian.org/debian/
-:DL-repo-security-url: http://deb.debian.org/debian-security/
-:DL-repo-updates-url: http://deb.debian.org/debian/
+:DL-repo-main-url: https://deb.debian.org/debian/
+:DL-repo-security-url: https://deb.debian.org/debian-security/
+:DL-repo-updates-url: https://deb.debian.org/debian/
 :DL: Debian
 include::modules/proc_adding-upstream-repositories-for-deb.adoc[leveloffset=+1]
 
@@ -121,9 +121,9 @@ include::modules/proc_adding-upstream-repositories-for-deb.adoc[leveloffset=+1]
 :DL-major-context: 11
 :DL-major: {DL-major-context}
 :DL-oss-atix-de-url: https://oss.atix.de/Debian11/
-:DL-repo-main-url: http://deb.debian.org/debian/
-:DL-repo-security-url: http://deb.debian.org/debian-security/
-:DL-repo-updates-url: http://deb.debian.org/debian/
+:DL-repo-main-url: https://deb.debian.org/debian/
+:DL-repo-security-url: https://deb.debian.org/debian-security/
+:DL-repo-updates-url: https://deb.debian.org/debian/
 :DL: Debian
 include::modules/proc_adding-upstream-repositories-for-deb.adoc[leveloffset=+1]
 
@@ -131,9 +131,9 @@ include::modules/proc_adding-upstream-repositories-for-deb.adoc[leveloffset=+1]
 :DL-major-context: 24-04
 :DL-major: 24.04
 :DL-oss-atix-de-url: https://oss.atix.de/Ubuntu24LTS/
-:DL-repo-main-url: http://archive.ubuntu.com/ubuntu/
-:DL-repo-security-url: http://security.ubuntu.com/ubuntu/
-:DL-repo-updates-url: http://archive.ubuntu.com/ubuntu/
+:DL-repo-main-url: https://archive.ubuntu.com/ubuntu/
+:DL-repo-security-url: https://security.ubuntu.com/ubuntu/
+:DL-repo-updates-url: https://archive.ubuntu.com/ubuntu/
 :DL: Ubuntu
 include::modules/proc_adding-upstream-repositories-for-deb.adoc[leveloffset=+1]
 
@@ -141,9 +141,9 @@ include::modules/proc_adding-upstream-repositories-for-deb.adoc[leveloffset=+1]
 :DL-major-context: 22-04
 :DL-major: 22.04
 :DL-oss-atix-de-url: https://oss.atix.de/Ubuntu22LTS/
-:DL-repo-main-url: http://archive.ubuntu.com/ubuntu/
-:DL-repo-security-url: http://security.ubuntu.com/ubuntu/
-:DL-repo-updates-url: http://archive.ubuntu.com/ubuntu/
+:DL-repo-main-url: https://archive.ubuntu.com/ubuntu/
+:DL-repo-security-url: https://security.ubuntu.com/ubuntu/
+:DL-repo-updates-url: https://archive.ubuntu.com/ubuntu/
 :DL: Ubuntu
 include::modules/proc_adding-upstream-repositories-for-deb.adoc[leveloffset=+1]