diff --git a/LATEST.VER b/LATEST.VER
new file mode 100644
index 00000000..5a89bedf
--- /dev/null
+++ b/LATEST.VER
@@ -0,0 +1 @@
+0.53b
diff --git a/putty.iss b/putty.iss
index 36ed03b3..5ae4e306 100644
--- a/putty.iss
+++ b/putty.iss
@@ -19,7 +19,7 @@
 
 [Setup]
 AppName=PuTTY
-AppVerName=PuTTY version 0.53
+AppVerName=PuTTY version 0.53b
 DefaultDirName={pf}\PuTTY
 DefaultGroupName=PuTTY
 UninstallDisplayIcon={app}\putty.exe