diff --git a/build/msvc/SLADE.rc b/build/msvc/SLADE.rc
index b4df08d4a..e4026c5c4 100644
--- a/build/msvc/SLADE.rc
+++ b/build/msvc/SLADE.rc
@@ -73,8 +73,8 @@ WXCURSOR_PENCIL         CURSOR  DISCARDABLE     "wx/msw/pencil.cur"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 3,1,2,0
- PRODUCTVERSION 3,1,2,0
+ FILEVERSION 3,1,3
+ PRODUCTVERSION 3,1,3
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -90,12 +90,12 @@ BEGIN
         BLOCK "0c0904b0"
         BEGIN
             VALUE "FileDescription", "SLADE"
-            VALUE "FileVersion", "3.1.2"
+            VALUE "FileVersion", "3.1.3"
             VALUE "InternalName", "SLADE.exe"
-            VALUE "LegalCopyright", "Copyright (C) 2017"
+            VALUE "LegalCopyright", "Copyright (C) 2018"
             VALUE "OriginalFilename", "SLADE.exe"
             VALUE "ProductName", "SLADE"
-            VALUE "ProductVersion", "3.1.2"
+            VALUE "ProductVersion", "3.1.3"
         END
     END
     BLOCK "VarFileInfo"
diff --git a/dist/makebuild.ps1 b/dist/makebuild.ps1
index 1f7d000f9..9dc145e53 100644
--- a/dist/makebuild.ps1
+++ b/dist/makebuild.ps1
@@ -1,4 +1,4 @@
-$version = "3120"
+$version = "3.1.3"
 $rev_short = Invoke-Expression "git.exe rev-parse --short HEAD"
 
 # Check for 7-zip install
diff --git a/win_installer/SLADE.iss b/win_installer/SLADE.iss
index 014493ee3..ae3877e07 100644
--- a/win_installer/SLADE.iss
+++ b/win_installer/SLADE.iss
@@ -2,8 +2,7 @@
 ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!
 
 #define MyAppName "SLADE"
-#define MyAppVersion "3.1.2"
-#define VersionNum "3120"
+#define MyAppVersion "3.1.3"
 #define MyAppURL "http://slade.mancubus.net"
 #define MyAppExeName "SLADE.exe"
 
@@ -25,7 +24,7 @@ DefaultDirName={pf}\{#MyAppName}
 DefaultGroupName={#MyAppName}
 AllowNoIcons=yes
 ;InfoBeforeFile=..\dist\SLADE.html
-OutputBaseFilename=Setup_{#MyAppName}_{#VersionNum}
+OutputBaseFilename=Setup_{#MyAppName}_{#MyAppVersion}
 SetupIconFile=..\build\msvc\slade.ico
 Compression=lzma
 SolidCompression=yes