diff --git a/README.md b/README.md
index 7472ae6..085bb9e 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,13 @@ See README.txt for more information.
 
 ## Version History
 
+### Development Build: v3.3.0-rc4+dev4
+
+- Fix Untrusted divisor (TAINTED_SCALAR) static analysis warning by checking `get_sh_entsize(SectionHeader)`
+- Set baseline for cFS-Caelum-rc4: v3.3.0-rc4
+- Update mission rev to use 0xFF for development version
+- See <https://github.com/nasa/elf2cfetbl/pull/98> and <https://github.com/nasa/cfs/pull/390>
+
 ### Development Build: v3.2.0-rc1+dev30
 
 -  Implement Coding Standard in CodeQL workflow
diff --git a/elf2cfetbl_version.h b/elf2cfetbl_version.h
index 16b3837..7f32227 100644
--- a/elf2cfetbl_version.h
+++ b/elf2cfetbl_version.h
@@ -30,9 +30,9 @@
 /*
  * Development Build Macro Definitions
  */
-#define ELF2CFETBL_BUILD_NUMBER 30 /*!< @brief Number of commits since baseline */
+#define ELF2CFETBL_BUILD_NUMBER 4 /*!< @brief Number of commits since baseline */
 #define ELF2CFETBL_BUILD_BASELINE \
-    "v3.2.0-rc1" /*!< @brief Development Build: git tag that is the base for the current */
+    "v3.3.0-rc4" /*!< @brief Development Build: git tag that is the base for the current */
 
 /*
  * Version Macro Definitions
@@ -40,7 +40,14 @@
 #define ELF2CFETBL_MAJOR_VERSION 3 /*!< @brief ONLY APPLY for OFFICIAL releases. Major version number. */
 #define ELF2CFETBL_MINOR_VERSION 1 /*!< @brief ONLY APPLY for OFFICIAL releases. Minor version number. */
 #define ELF2CFETBL_REVISION      0 /*!< @brief ONLY APPLY for OFFICIAL releases. Revision version number. */
-#define ELF2CFETBL_MISSION_REV   0 /*!< @brief ONLY USED by MISSION Implementations. Mission revision */
+
+/*!
+ * @brief Mission revision.
+ *
+ * Set to 0 on OFFICIAL releases, and set to 255 (0xFF) on development versions.
+ * Values 1-254 are reserved for mission use to denote patches/customizations as needed.
+ */
+#define ELF2CFETBL_MISSION_REV 0xFF /*!< @brief ONLY USED by MISSION Implementations. Mission revision */
 
 /*
  * Tools to construct version string
@@ -59,9 +66,9 @@
  * @details Reports the current development build's baseline, number, and name. Also includes a note about the latest
  * official version. @n See @ref cfsversions for format differences between development and release versions.
  */
-#define ELF2CFETBL_VERSION_STRING                                                         \
-    " elf2cfetbl Development Build\n"                                                     \
-    " " ELF2CFETBL_VERSION " (Codename: Bootes)\n" /* Codename for current development */ \
-    " Last Official Release: elf2cfetbl v3.1.0"    /* For full support please use official release version */
+#define ELF2CFETBL_VERSION_STRING                                                        \
+    " elf2cfetbl Development Build\n"                                                    \
+    " " ELF2CFETBL_VERSION " (Codename: Draco)\n" /* Codename for current development */ \
+    " Last Official Release: elf2cfetbl v3.1.0"   /* For full support please use official release version */
 
 #endif /* ELF2CFETBL_VERSION_H */