diff --git a/manifest.toml b/manifest.toml
index 4f7f79e..706af2c 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -100,8 +100,9 @@ ram.runtime = "3G"
     ]
     packages_from_raw_bash = """
     if [[ $YNH_DEBIAN_VERSION == "bookworm" ]]; then
-        extras.libssl.repo = "http://ftp.de.debian.org/debian/pool/main/o/openssl/"
-        extras.libssl.key = "http://ftp.de.debian.org/debian/dists/bullseye/Release.gpg"
-        extras.libssl.packages = ["libssl1.1_1.1.1w-0+deb11u1_amd64.deb"]
+    [resources.apt.extras.libssl]
+    repo = "deb http://deb.debian.org/debian/ bullseye main contrib"
+    key = "https://ftp-master.debian.org/keys/release-bullseye.asc"
+    packages = ["libssl1.1_1.1.1w-0+deb11u1_amd64.deb"]
     fi
     """