diff --git a/README.rst b/README.rst
index b9ffaddb8e..4bd4e95426 100644
--- a/README.rst
+++ b/README.rst
@@ -3,7 +3,7 @@ Open Inwoner
 ==================
 
 
-:Version: 1.21.3
+:Version: 1.21.4
 :Source: https://github.com/maykinmedia/open-inwoner
 :Documentation: https://docs.openinwoner.nl
 :PythonVersion: 3.11
diff --git a/src/open_inwoner/conf/base.py b/src/open_inwoner/conf/base.py
index ffd05eab73..2b21e8fd44 100644
--- a/src/open_inwoner/conf/base.py
+++ b/src/open_inwoner/conf/base.py
@@ -750,7 +750,7 @@
 # SENTRY - error monitoring
 #
 SENTRY_DSN = config("SENTRY_DSN", None)
-RELEASE = "v1.21.3"  # get_current_version()
+RELEASE = "v1.21.4"  # get_current_version()
 
 PRIVATE_MEDIA_ROOT = os.path.join(BASE_DIR, "private_media")
 FILER_ROOT = os.path.join(BASE_DIR, "media", "filer")