diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd706b1..9af0709 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## Development Build: v2.5.0-rc4+dev77
+- Remove unused PDU related function codes
+- Remove obsolete README comment
+- Configurable timeouts and loops
+- See <https://github.com/nasa/ci_lab/pull/157>, <https://github.com/nasa/ci_lab/pull/159>, and <https://github.com/nasa/ci_lab/pull/161>
+
 ## Development Build: v2.5.0-rc4+dev69
 - add decode hooks
 - Add version information to NOOP event
diff --git a/fsw/src/ci_lab_version.h b/fsw/src/ci_lab_version.h
index cd7e58e..2a03aef 100644
--- a/fsw/src/ci_lab_version.h
+++ b/fsw/src/ci_lab_version.h
@@ -25,7 +25,7 @@
 
 /* Development Build Macro Definitions */
 
-#define CI_LAB_BUILD_NUMBER 69 /*!< Development Build: Number of commits since baseline */
+#define CI_LAB_BUILD_NUMBER 77 /*!< Development Build: Number of commits since baseline */
 #define CI_LAB_BUILD_BASELINE \
     "v2.5.0-rc4" /*!< Development Build: git tag that is the base for the current development */