diff --git a/doc/modules/cassandra/examples/BASH/add_repo_keys.sh b/doc/modules/cassandra/examples/BASH/add_repo_keys.sh
index 4c1d5f1777..b09d9d42cb 100644
--- a/doc/modules/cassandra/examples/BASH/add_repo_keys.sh
+++ b/doc/modules/cassandra/examples/BASH/add_repo_keys.sh
@@ -1 +1 @@
-$ curl https://downloads.apache.org/cassandra/KEYS | sudo apt-key add -
+$ curl -o /etc/apt/keyrings/apache-cassandra.asc https://downloads.apache.org/cassandra/KEYS
diff --git a/doc/modules/cassandra/examples/BASH/get_deb_package.sh b/doc/modules/cassandra/examples/BASH/get_deb_package.sh
index 8c1b07bb1e..96ebb44ae5 100644
--- a/doc/modules/cassandra/examples/BASH/get_deb_package.sh
+++ b/doc/modules/cassandra/examples/BASH/get_deb_package.sh
@@ -1,2 +1,2 @@
-$ echo "deb https://debian.cassandra.apache.org 42x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list
-deb https://debian.cassandra.apache.org 42x main
+$ echo "deb [signed-by=/etc/apt/keyrings/apache-cassandra.asc] https://debian.cassandra.apache.org 51x main" | sudo tee -a /etc/apt/sources.list.d/cassandra.sources.list
+deb https://debian.cassandra.apache.org 51x main
diff --git a/doc/modules/cassandra/partials/package_versions.adoc b/doc/modules/cassandra/partials/package_versions.adoc
index 17ca41dce3..44233bc992 100644
--- a/doc/modules/cassandra/partials/package_versions.adoc
+++ b/doc/modules/cassandra/partials/package_versions.adoc
@@ -1,9 +1,8 @@
-The latest major version is {40_version} and the corresponding distribution name is `40x` (with an "x" as the suffix).
+The latest major version is {51_version} and the corresponding distribution name is `51x` (with an "x" as the suffix).
 For older releases use:
 
-* `311x` for C* {3x_version} series
-* `30x` for {30_version}
-* `22x` for {22_version}
-* `21x` for {21_version}
+* `51x` for C* {51_version} series
+* `50x` for C* {50_version} series
+* `41x` for C* {41_version} series
 
-For example, to add the repository for version {40_version} (`40x`):
+For example, to add the repository for version {51_version} (`51x`):