diff --git a/README.md b/README.md
index 34651c19a..e28af65db 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,12 @@ The autogenerated OSAL user's guide can be viewed at <https://github.com/nasa/cF
 
 ## Version History
 
+### Development Build: v6.0.0-rc4+dev74
+
+- Update codeql workflows for reusable update
+- add os-impl-no-select.c for RTEMS
+- See <https://github.com/nasa/osal/pull/1251> and <https://github.com/nasa/cFS/pull/471>
+
 ### Development Build: v6.0.0-rc4+dev66
 
 - Fix UtAssert_StringBufCompare SEGV when -1 for size passed in (on CentOS 7)
@@ -284,7 +290,7 @@ the declarations, and generates a source file with stub definitions that rely on
 
 ### Development Build: v5.1.0-rc1+dev297
 
-- Fix #836, Add Testing Tools to the Security Policy
+- Add Testing Tools to the Security Policy
 - See <https://github.com/nasa/osal/pull/838>
 
 ### Development Build: v5.1.0-rc1+dev293
diff --git a/src/os/inc/osapi-version.h b/src/os/inc/osapi-version.h
index da600b79a..3e20c0909 100644
--- a/src/os/inc/osapi-version.h
+++ b/src/os/inc/osapi-version.h
@@ -34,7 +34,7 @@
 /*
  * Development Build Macro Definitions
  */
-#define OS_BUILD_NUMBER   66
+#define OS_BUILD_NUMBER   74
 #define OS_BUILD_BASELINE "v6.0.0-rc4"
 
 /*