diff --git a/config/build_conf.yaml b/config/build_conf.yaml
index ae6f9ce6c47..b65b34bd0df 100644
--- a/config/build_conf.yaml
+++ b/config/build_conf.yaml
@@ -10,7 +10,7 @@ project:
   branched: true
   siteroot: true
 version:
-  release: '4.2.14'
+  release: '4.2.15'
   branch: '4.2'
 system:
   files:
diff --git a/source/includes/changelogs/releases/4.2.15.rst b/source/includes/changelogs/releases/4.2.15.rst
index 9ab5c0bbc37..a2316ca4803 100644
--- a/source/includes/changelogs/releases/4.2.15.rst
+++ b/source/includes/changelogs/releases/4.2.15.rst
@@ -33,6 +33,7 @@ Replication
 - :issue:`SERVER-44316` Log message in InitialSyncer for setting begin applying timestamp is incorrect
 - :issue:`SERVER-45919` replSetReconfig should be allowed to fail with InterruptedDueToReplStateChange when racing with an election
 - :issue:`SERVER-53447` Blacklist insert1.js with from transaction passthrough tests with failures
+- :issue:`SERVER-55465` Fix Invariant upon failed request for a vote from the current primary in the election dry-run of catchup takeover
 - :issue:`SERVER-55766` Introduce an optimized "for restore" startup replication recovery mechanism
 - :issue:`SERVER-56054` Change minThreads value for replication writer thread pool to 0
 - :issue:`SERVER-56415` AwaitNodesAgreeOnPrimary doesn't work when given non-default set of nodes
diff --git a/source/release-notes/4.2.txt b/source/release-notes/4.2.txt
index 87db242c545..c4541640ee7 100644
--- a/source/release-notes/4.2.txt
+++ b/source/release-notes/4.2.txt
@@ -23,8 +23,8 @@ Minor Releases
 
 .. _4.2.15-release-notes:
 
-4.2.15 - Upcoming
-~~~~~~~~~~~~~~~~~
+4.2.15 - Jul 13, 2021
+~~~~~~~~~~~~~~~~~~~~~
 
 Issues fixed in 4.2.15: