diff --git a/README.md b/README.md
index e28af65db..9e18b009f 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,14 @@ The autogenerated OSAL user's guide can be viewed at <https://github.com/nasa/cF
 
 ## Version History
 
+### Development Build: v6.0.0-rc4+dev83
+
+- Resolve UT uninit vars static analysis warnings
+- Remove redundant checks in UT
+- Resolve UT uninit vars static analysis warnings
+- Add RTEMS 6 Support  
+- See https://github.com/nasa/osal/pull/1260 and <https://github.com/nasa/cFS/pull/492>
+
 ### Development Build: v6.0.0-rc4+dev74
 
 - Update codeql workflows for reusable update
diff --git a/src/os/inc/osapi-version.h b/src/os/inc/osapi-version.h
index 3e20c0909..c9cf2eb56 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   74
+#define OS_BUILD_NUMBER   83
 #define OS_BUILD_BASELINE "v6.0.0-rc4"
 
 /*