diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fe9f81..3820e4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 
-## Develop,ent Build: v1.3.0-rc4+dev28
+## Development Build: equuleus-rc1+dev2
+- updating tblCRCTool to use new versioning system
+- See <https://github.com/nasa/tblCRCTool/pull/80>
+
+## Development Build: v1.3.0-rc4+dev28
 - Replace exit(1) with preferred macro EXIT_FAILURE
 - See <https://github.com/nasa/tblCRCTool/pull/77>
 
diff --git a/cfe_ts_crc.c b/cfe_ts_crc.c
index 02bacc1..1a5e973 100644
--- a/cfe_ts_crc.c
+++ b/cfe_ts_crc.c
@@ -42,6 +42,8 @@
 
 #include "cfe_ts_crc_version.h"
 
+#include "cfe_version.h"
+
 /* These headers are needed for CFE_FS_Header_t and CFE_TBL_File_Hdr_t, respectively.
  * This uses the OSAL definition of fixed-width types, even thought this tool
  * is not using OSAL itself.
@@ -108,11 +110,16 @@ int main(int argc, char **argv)
     int     fd;
     char    buffer[100];
     off_t   offsetReturn = 0;
+    char    VersionString[CFE_TS_CRC_CFG_MAX_VERSION_STR_LEN];
 
     /* check for valid input */
     if ((argc != 2) || (strncmp(argv[1], "--help", 100) == 0))
     {
-        printf("%s\n", CFE_TS_CRC_VERSION_STRING);
+        snprintf(VersionString, CFE_TS_CRC_CFG_MAX_VERSION_STR_LEN,
+        "%s %s %s (Codename %s), Last Official Release: %s %s)",
+        "tblCRCTool", CFE_TS_CRC_REVISION == 0 ? "Development Build" : "Release",
+        CFE_TS_CRC_VERSION, CFE_TS_CRC_BUILD_CODENAME, "tblCRCTool", CFE_TS_CRC_LAST_OFFICIAL);
+        printf("%s\n", VersionString);
         printf("\nUsage: cfe_ts_crc [filename]\n");
         exit(EXIT_FAILURE);
     }
diff --git a/cfe_ts_crc_version.h b/cfe_ts_crc_version.h
index a5d60f6..a247a2e 100644
--- a/cfe_ts_crc_version.h
+++ b/cfe_ts_crc_version.h
@@ -29,16 +29,22 @@
 /*
  * Development Build Macro Definitions
  */
-#define CFE_TS_CRC_BUILD_NUMBER 28 /*!< @brief Number of commits since baseline */
-#define CFE_TS_CRC_BUILD_BASELINE \
-    "v1.3.0-rc4+dev" /*!< @brief Development Build: git tag that is the base for the current */
+#define CFE_TS_CRC_BUILD_NUMBER    2 /*!< @brief Number of commits since baseline */
+#define CFE_TS_CRC_BUILD_BASELINE  "equuleus-rc1" /*!< @brief Development Build: git tag that is the base for the current */
+#define CFE_TS_CRC_BUILD_DEV_CYCLE "equuleus-rc2" /**< @brief Development: Release name for current development cycle */
+#define CFE_TS_CRC_BUILD_CODENAME  "Equuleus" /**< @brief: Development: Code name for the current build */
 
 /*
  * Version Macros, see \ref cfsversions for definitions.
  */
 #define CFE_TS_CRC_MAJOR_VERSION 1  /*!< @brief Major version number */
 #define CFE_TS_CRC_MINOR_VERSION 1  /*!< @brief Minor version number */
-#define CFE_TS_CRC_REVISION      99 /*!< @brief Revision version number. Value of 99 indicates a development version.*/
+#define CFE_TS_CRC_REVISION      0  /*!< @brief Revision version number. Value of 0 indicates a development version.*/
+
+/**
+ * @brief Last official release.
+ */
+#define CFE_TS_CRC_LAST_OFFICIAL "v3.1.0"
 
 /*!
  * @brief Mission revision.
@@ -62,14 +68,12 @@
  */
 #define CFE_TS_CRC_VERSION CFE_TS_CRC_BUILD_BASELINE CFE_TS_CRC_STR(CFE_TS_CRC_BUILD_NUMBER)
 
-/*! @brief Development Build Version String.
- * @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.
+/**
+ * @brief Max Version String length.
+ * 
+ * Maximum length that a tblCRCTool version string can be.
+ * 
  */
-#define CFE_TS_CRC_VERSION_STRING            \
-    " cFE TS CRC calculator (tblCRCtool) \n" \
-    " DEVELOPMENT BUILD \n"                  \
-    " " CFE_TS_CRC_VERSION " \n"             \
-    " Last Official Release: tblCRCtool v3.1.0" /* For full support please use official release version */
+#define CFE_TS_CRC_CFG_MAX_VERSION_STR_LEN 256
 
 #endif /* CFE_TS_CRC_VERSION_H */