diff --git a/ChangeLog.md b/ChangeLog.md
index 8eb87880..7c2b8ad3 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -27,13 +27,7 @@ produce the Windows executables and installer.
 
 ---
 
-Pre-Release 5.2.1-rc2
-===
-
-This fixes a code error that prevented caused some new debug code to cause 
-CAPI queries to fail.
-
-Pre-Release 5.2.1-rc1
+Release 5.2.1
 ===
 
 This release primarily addresses the issue of the program asking for 
diff --git a/config.py b/config.py
index b530324f..d50d5495 100644
--- a/config.py
+++ b/config.py
@@ -33,7 +33,7 @@ appcmdname = 'EDMC'
 # <https://semver.org/#semantic-versioning-specification-semver>
 # Major.Minor.Patch(-prerelease)(+buildmetadata)
 # NB: Do *not* import this, use the functions appversion() and appversion_nobuild()
-_static_appversion = '5.2.1-rc2'
+_static_appversion = '5.2.1'
 _cached_version: Optional[semantic_version.Version] = None
 copyright = '© 2015-2019 Jonathan Harris, 2020-2021 EDCD'