diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
 )
 
 project(bitcoin-abc
-	VERSION 0.27.4
+	VERSION 0.27.5
 	DESCRIPTION "Bitcoin ABC is a full node implementation of the eCash protocol."
 	HOMEPAGE_URL "https://www.bitcoinabc.org"
 )
diff --git a/contrib/aur/bitcoin-abc-qt/PKGBUILD b/contrib/aur/bitcoin-abc-qt/PKGBUILD
--- a/contrib/aur/bitcoin-abc-qt/PKGBUILD
+++ b/contrib/aur/bitcoin-abc-qt/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Josh Ellithorpe <quest@mac.com>
 
 pkgname=bitcoin-abc-qt
-pkgver=0.27.4
+pkgver=0.27.5
 pkgrel=0
 pkgdesc="Bitcoin ABC with bitcoind, bitcoin-cli, bitcoin-tx, bitcoin-seeder and bitcoin-qt"
 arch=('i686' 'x86_64')
diff --git a/contrib/aur/bitcoin-abc/PKGBUILD b/contrib/aur/bitcoin-abc/PKGBUILD
--- a/contrib/aur/bitcoin-abc/PKGBUILD
+++ b/contrib/aur/bitcoin-abc/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Josh Ellithorpe <quest@mac.com>
 
 pkgname=bitcoin-abc
-pkgver=0.27.4
+pkgver=0.27.5
 pkgrel=0
 pkgdesc="Bitcoin ABC with bitcoind, bitcoin-tx, bitcoin-seeder and bitcoin-cli"
 arch=('i686' 'x86_64')
diff --git a/doc/release-notes.md b/doc/release-notes.md
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -1,8 +1,7 @@
-# Bitcoin ABC 0.27.4 Release Notes
+# Bitcoin ABC 0.27.5 Release Notes
 
-Bitcoin ABC version 0.27.4 is now available from:
+Bitcoin ABC version 0.27.5 is now available from:
 
-  <https://download.bitcoinabc.org/0.27.4/>
+  <https://download.bitcoinabc.org/0.27.5/>
 
-This release includes the following features and fixes:
- - From this version onwards, macOS versions earlier than 10.15 are no longer supported.
+This is a maintenance release with no user-visible change.
diff --git a/doc/release-notes.md b/doc/release-notes/release-notes-0.27.4.md
copy from doc/release-notes.md
copy to doc/release-notes/release-notes-0.27.4.md