diff --git a/ChangeLog.md b/ChangeLog.md
index 0cab94cc..76219bee 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,4 +1,15 @@
-# release CIS RedHat Enterprise Linux 7 Benchmark v3.0.1 - 09-21-2020
+# Release CIS RedHat Enterprise Linux 7 Benchmark
+
+## v4.0.0 - 21-12-2023
+
+- Rewrite to address v4.0.0 changes - refer to full changelog in release
+- Audit binary version updates
+- Audit only option added
+- Audit moved earlier in process
+- Audit improvements for copy/unarchive etc
+- workflow update to self hosted runner
+
+## v3.0.1 - 09-21-2020
 
 ## 1.1.4
 
diff --git a/README.md b/README.md
index 844c60a6..ff245a47 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ## Configure a RHEL/Centos 7 machine to be [CIS](https://www.cisecurity.org/cis-benchmarks/) compliant
 
-### Based on [CIS RedHat Enterprise Linux 7 Benchmark v3.1.1 - 05-21-2021 ](https://www.cisecurity.org/cis-benchmarks/)
+### Based on [CIS RedHat Enterprise Linux 7 Benchmark v4.0.0 - 21-12-2023 ](https://www.cisecurity.org/cis-benchmarks/)
 
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