diff --git a/docs/installation/otp_en.md b/docs/installation/otp_en.md
index d11cccccb8..a1238b1601 100644
--- a/docs/installation/otp_en.md
+++ b/docs/installation/otp_en.md
@@ -96,10 +96,18 @@ RUM indexes are an alternative indexing scheme that is not included in PostgreSQ
     # On Trixie and Ubuntu 25.04
     apt install postgresql-17-rum
     ```
+    # On Debian 12
+    ```
+    apt install postgresql-15-rum
+    ```
     # On Ubuntu 24.04
     ```
     apt install postgresql-16-rum
     ```
+    # On Ubuntu 22.04
+    ```
+    apt install postgresql-14-rum
+    ```
 
 #### (Optional) Performance configuration
 It is encouraged to check [Optimizing your PostgreSQL performance](../configuration/postgresql.md) document, for tips on PostgreSQL tuning.