diff --git a/ChangeLog b/ChangeLog
index 2e5df60..a90fce4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,26 @@
+----------------------------------------------------------------
+1.51.1
+----------------------------------------------------------------
+Shell:
+
+ Changes:
+  - Unofficial support for macOS via homebrew
+
+ Fixes:
+  - FLTK: Better audio buffer management
+  - FLTK: Fix bug related to system-wide NstDatabase.xml loading
+
+Core:
+
+ Additions:
+  - Mappers 162, 302, 554 (UNL-FS304, UNL-KS7057, UNL-KS7010)
+  - Add database entries for Micro Mages, Nong Chang Xiao Jing Ling
+
+ Fixes:
+  - Accuracy fix for MMC3 and MMC6 IRQ timing
+  - Accuracy fix for DMC DMA read conflicts
+  - Accuracy fix for CPU Exec Space PPUIO
+
 ----------------------------------------------------------------
 1.51.0
 ----------------------------------------------------------------
diff --git a/configure.ac b/configure.ac
index a08970a..63e7408 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl Initialise Autoconf
 AC_PREREQ([2.69])
 AC_INIT(
 	[nestopia],
-	[1.51.0])
+	[1.51.1])
 AC_CONFIG_SRCDIR([source])
 AC_LANG([C++])
 
diff --git a/source/fltkui/cli.cpp b/source/fltkui/cli.cpp
index 1116d2e..f547ed8 100644
--- a/source/fltkui/cli.cpp
+++ b/source/fltkui/cli.cpp
@@ -55,7 +55,7 @@ void cli_show_usage() {
 }
 
 void cli_show_version() {
-	printf("Nestopia UE 1.51.0\n");
+	printf("Nestopia UE 1.51.1\n");
 }
 
 void cli_handle_command(int argc, char *argv[]) {
diff --git a/source/fltkui/fltkui.cpp b/source/fltkui/fltkui.cpp
index 9fa4fa7..a044fd6 100644
--- a/source/fltkui/fltkui.cpp
+++ b/source/fltkui/fltkui.cpp
@@ -301,7 +301,7 @@ static void fltkui_about(Fl_Widget* w, void* userdata) {
 	Fl_Box text0(0, 144, 460, 24, "Nestopia UE");
 	text0.labelfont(FL_BOLD);
 
-	Fl_Box text1(0, 166, 460, 24, "1.51.0");
+	Fl_Box text1(0, 166, 460, 24, "1.51.1");
 
 	Fl_Box text2(0, 208, 460, 24, "Cycle-Accurate Nintendo Entertainment System Emulator");
 
diff --git a/source/win32/NstDialogAbout.cpp b/source/win32/NstDialogAbout.cpp
index 83080d8..42c4380 100644
--- a/source/win32/NstDialogAbout.cpp
+++ b/source/win32/NstDialogAbout.cpp
@@ -56,7 +56,7 @@ namespace Nestopia
 		ibool About::OnInitDialog(Param&)
 		{
 			dialog.SetItemIcon( IDC_ABOUT_ICON, Application::Instance::GetIconStyle() == Application::Instance::ICONSTYLE_NES ? IDI_APP : IDI_APP_J );
-			dialog.Control( IDC_ABOUT_NAMEVERSION ).Text() << "Nestopia UE 1.51.0";
+			dialog.Control( IDC_ABOUT_NAMEVERSION ).Text() << "Nestopia UE 1.51.1";
 			return true;
 		}
 
diff --git a/source/win32/language/language.rc b/source/win32/language/language.rc
index 9853e45..5765388 100644
--- a/source/win32/language/language.rc
+++ b/source/win32/language/language.rc
@@ -372,7 +372,7 @@ CAPTION "About Nestopia"
 FONT 8, "MS Shell Dlg", 400, 0, 1
 {
     GROUPBOX        "", IDC_STATIC, 7, 7, 147, 141, 0, WS_EX_LEFT
-    LTEXT           "Nestopia UE 1.51.0", IDC_ABOUT_NAMEVERSION, 47, 14, 63, 9, SS_LEFT, WS_EX_LEFT
+    LTEXT           "Nestopia UE 1.51.1", IDC_ABOUT_NAMEVERSION, 47, 14, 63, 9, SS_LEFT, WS_EX_LEFT
     ICON            "", IDC_ABOUT_ICON, 70, 36, 21, 20, SS_ICON, WS_EX_LEFT
     CTEXT           "Copyright © 2003-2008 Martin Freij\nCopyright © 2012-2021 R. Danbrook\nCopyright © 2020-2021 Rupert Carmichael", IDC_STATIC, 12, 69, 139, 25, SS_CENTER, WS_EX_LEFT
     LTEXT           "Homepage", IDC_STATIC, 13, 124, 8, 1, SS_LEFT, WS_EX_LEFT
@@ -1934,7 +1934,7 @@ VS_VERSION_INFO VERSIONINFO
             VALUE "LegalCopyright", "Copyright © 2003-2008 Martin Freij"
             VALUE "OriginalFilename", "English.nlg"
             VALUE "ProductName", "Nestopia Language Plugin - English (US)"
-            VALUE "ProductVersion", "1.51.0"
+            VALUE "ProductVersion", "1.51.1"
         }
     }
     BLOCK "VarFileInfo"