diff --git a/changelog.txt b/changelog.txt
index 46bd45b5c2..c110109386 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+1.5.3 (2015-12-01)
+------------------------------------------------------------------------
+(None)
+
+
 1.5.3-RC1 (2015-11-01)
 ------------------------------------------------------------------------
 - Fix: When selecting a refit cargo for orders, do not check whether the vehicle is in a depot or station, and do not ask whether the vehicle currently allows station-refitting. Also hide the refit cost for orders, it is not predictable (r27428)
diff --git a/known-bugs.txt b/known-bugs.txt
index 35d019e14f..ed10aab79a 100644
--- a/known-bugs.txt
+++ b/known-bugs.txt
@@ -1,5 +1,5 @@
 OpenTTD's known bugs
-Last updated:    2015-11-01
+Last updated:    2015-12-01
 Release version: 1.5.3
 ------------------------------------------------------------------------
 
diff --git a/os/debian/changelog b/os/debian/changelog
index 1a47092d8c..4dd5b1155f 100644
--- a/os/debian/changelog
+++ b/os/debian/changelog
@@ -1,3 +1,9 @@
+openttd (1.5.3-0) unstable; urgency=low
+
+  * New upstream release 1.5.3
+
+ -- OpenTTD <info@openttd.org>  Tue, 01 Dec 2015 21:00:00 +0100
+
 openttd (1.5.3~RC1-0) unstable; urgency=low
 
   * New upstream release 1.5.3-RC1
diff --git a/os/windows/installer/install.nsi b/os/windows/installer/install.nsi
index 058fe305b2..2abec4a844 100644
--- a/os/windows/installer/install.nsi
+++ b/os/windows/installer/install.nsi
@@ -2,8 +2,8 @@
 !define APPV_MAJOR 1
 !define APPV_MINOR 5
 !define APPV_MAINT 3
-!define APPV_BUILD 0
-!define APPV_EXTRA "-RC1"
+!define APPV_BUILD 1
+!define APPV_EXTRA ""
 
 !define APPNAME "OpenTTD"   ; Define application name
 !define APPVERSION "${APPV_MAJOR}.${APPV_MINOR}.${APPV_MAINT}${APPV_EXTRA}"  ; Define application version
diff --git a/readme.txt b/readme.txt
index 4887592a1e..c2f8ce65b2 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,5 +1,5 @@
-Last updated:    2015-11-01
-Release version: 1.5.3-RC1
+Last updated:    2015-12-01
+Release version: 1.5.3
 ------------------------------------------------------------------------