diff --git a/CMakeLists.txt b/CMakeLists.txt
index f9364fdd2c1b20ea8c3fa2afa744cbe8360a62de..eb91866f003bd53629bdfbfcfcda362873d54ea2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.0)
 project(SRB2
-	VERSION 2.1.19
+	VERSION 2.1.20
 	LANGUAGES C)
 
 if(${PROJECT_SOURCE_DIR} MATCHES ${PROJECT_BINARY_DIR})
diff --git a/appveyor.yml b/appveyor.yml
index ae3f82f58c84ea343e2bd4e32a4797daf4d06c88..69913cfc87f8e4097fa397e1f2a8a1f87146454c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 2.1.19.{branch}-{build}
+version: 2.1.20.{branch}-{build}
 os: MinGW
 
 environment:
diff --git a/src/doomdef.h b/src/doomdef.h
index 1eca59d5222b9d2e420188c68015a5b84f774d88..7245061bf425e0591d266e19dd42af4b8e82d6c5 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -150,9 +150,9 @@ extern FILE *logstream;
 // we use comprevision and compbranch instead.
 #else
 #define VERSION    201 // Game version
-#define SUBVERSION 19  // more precise version number
-#define VERSIONSTRING "v2.1.19"
-#define VERSIONSTRINGW L"v2.1.19"
+#define SUBVERSION 20  // more precise version number
+#define VERSIONSTRING "v2.1.20"
+#define VERSIONSTRINGW L"v2.1.20"
 // Hey! If you change this, add 1 to the MODVERSION below!
 // Otherwise we can't force updates!
 #endif
@@ -214,7 +214,7 @@ extern FILE *logstream;
 // it's only for detection of the version the player is using so the MS can alert them of an update.
 // Only set it higher, not lower, obviously.
 // Note that we use this to help keep internal testing in check; this is why v2.1.0 is not version "1".
-#define MODVERSION 24
+#define MODVERSION 25
 
 // =========================================================================
 
diff --git a/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj b/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
index 68391f99ca9168b9f5c68d62657df71fae5ba167..eaac87debe38e36f549942a7d2e00775b99414e1 100644
--- a/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
+++ b/src/sdl/macosx/Srb2mac.xcodeproj/project.pbxproj
@@ -1214,7 +1214,7 @@
 		C01FCF4B08A954540054247B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.19;
+				CURRENT_PROJECT_VERSION = 2.1.20;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					NORMALSRB2,
@@ -1226,7 +1226,7 @@
 		C01FCF4C08A954540054247B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.19;
+				CURRENT_PROJECT_VERSION = 2.1.20;
 				GCC_ENABLE_FIX_AND_CONTINUE = NO;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (
diff --git a/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj b/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj
index fada7849c2a2305aed694cd3ebb52f10597f5217..574161c6815c2b28e61a1917a995d500bfef377d 100644
--- a/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj
+++ b/src/sdl12/macosx/Srb2mac.xcodeproj/project.pbxproj
@@ -1214,7 +1214,7 @@
 		C01FCF4B08A954540054247B /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.19;
+				CURRENT_PROJECT_VERSION = 2.1.20;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
 					NORMALSRB2,
@@ -1226,7 +1226,7 @@
 		C01FCF4C08A954540054247B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				CURRENT_PROJECT_VERSION = 2.1.19;
+				CURRENT_PROJECT_VERSION = 2.1.20;
 				GCC_ENABLE_FIX_AND_CONTINUE = NO;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (