diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32e4aa9..4ff4ce1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -78,3 +78,7 @@ Changelog:
 - 1.17
     - Removed hardcoded path for ibdev2
     - Removed RPM requirement for RDMA RH8
+
+- 1.18
+    - Rocky and RHEL up to 8.10
+    - Preparation for 9.x
diff --git a/koet.py b/koet.py
index d8c4f4c..a14d13d 100755
--- a/koet.py
+++ b/koet.py
@@ -11,7 +11,6 @@
 from shutil import copyfile
 from decimal import Decimal
 import argparse
-import operator
 from math import sqrt, ceil
 from functools import reduce
 import re
@@ -39,7 +38,7 @@
 DEVNULL = open(os.devnull, 'w')
 
 # This script version, independent from the JSON versions
-KOET_VERSION = "1.17"
+KOET_VERSION = "1.18"
 
 raw_input = input
 PYTHON3 = True
@@ -417,6 +416,8 @@ def check_os_redhat(os_dictionary):
             #print("")
             if "8." in redhat_distribution[1]:
                 redhat8 = True
+            elif "9." in redhat_distribution[1]:
+                redhat8 = True
         else:
             sys.exit(error_message)
     except Exception:
diff --git a/supported_OS.json b/supported_OS.json
index 3052263..4178a2c 100644
--- a/supported_OS.json
+++ b/supported_OS.json
@@ -1,14 +1,14 @@
 {
-  "json_version": "1.9",
+  "json_version": "1.10",
   "SUSE Linux Enterprise Server 12 SP2": "NOK",
   "SUSE Linux Enterprise Server 12 SP3": "NOK",
   "SUSE Linux Enterprise Server 15": "NOK",
   "Red Hat Enterprise Linux": "NOK",
   "Red Hat Enterprise Linux Server 7.4": "NOK",
   "Red Hat Enterprise Linux Server 7.5": "NOK",
-  "Red Hat Enterprise Linux Server 7.6": "OK",
-  "Red Hat Enterprise Linux Server 7.7": "OK",
-  "Red Hat Enterprise Linux Server 7.8": "OK",
+  "Red Hat Enterprise Linux Server 7.6": "NOK",
+  "Red Hat Enterprise Linux Server 7.7": "NOK",
+  "Red Hat Enterprise Linux Server 7.8": "NOK",
   "Red Hat Enterprise Linux Server 7.9": "OK",
   "Red Hat Enterprise Linux 8.0": "NOK",
   "Red Hat Enterprise Linux 8.1": "NOK",
@@ -19,6 +19,8 @@
   "Red Hat Enterprise Linux 8.6": "OK",
   "Red Hat Enterprise Linux 8.7": "OK",
   "Red Hat Enterprise Linux 8.8": "OK",
+  "Red Hat Enterprise Linux 8.9": "OK",
+  "Red Hat Enterprise Linux 8.10": "OK",
   "CentOS Linux 7.5.1804": "NOK",
   "CentOS Linux 7.6.1810": "NOK",
   "CentOS Linux 7.7.1908": "NOK",
@@ -27,5 +29,10 @@
   "CentOS Linux 8.0.1905": "NOK",
   "CentOS Linux 8.1.1911": "NOK",
   "CentOS Linux 8.2.2004": "NOK",
-  "CentOS Linux 8.3.2011": "NOK"
+  "CentOS Linux 8.3.2011": "NOK",
+  "Rocky Linux release 8.6": "OK",
+  "Rocky Linux release 8.7": "OK",
+  "Rocky Linux release 8.8": "OK",
+  "Rocky Linux release 8.9": "OK",
+  "Rocky Linux release 8.10": "OK"
 }