diff --git a/src/msvcbuild.bat b/src/msvcbuild.bat
index dfe98e16..0ef021f1 100644
--- a/src/msvcbuild.bat
+++ b/src/msvcbuild.bat
@@ -51,6 +51,9 @@ if exist minilua.exe.manifest^
 minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h %DASC%
 @if errorlevel 1 goto :BAD
 
+git show -s --format=%ct >luajit_relver.txt
+minilua host\genversion.lua
+
 %LJCOMPILE% /I "." /I %DASMDIR% host\buildvm*.c
 @if errorlevel 1 goto :BAD
 %LJLINK% /out:buildvm.exe buildvm*.obj
diff --git a/src/nxbuild.bat b/src/nxbuild.bat
index 5c7088ee..b925d7e5 100644
--- a/src/nxbuild.bat
+++ b/src/nxbuild.bat
@@ -72,6 +72,10 @@ if exist minilua.exe.manifest^
 @set DASMFLAGS=%DASMFLAGS% %DASMTARGET% -D LJ_TARGET_NX -D LUAJIT_OS=LUAJIT_OS_OTHER -D LUAJIT_DISABLE_JIT -D LUAJIT_DISABLE_FFI
 minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h %DASC%
 @if errorlevel 1 goto :BAD
+
+git show -s --format=%ct >luajit_relver.txt
+minilua host\genversion.lua
+
 %LJCOMPILE% /I "." /I %DASMDIR% %DASMTARGET% -D LJ_TARGET_NX -DLUAJIT_OS=LUAJIT_OS_OTHER -DLUAJIT_DISABLE_JIT -DLUAJIT_DISABLE_FFI host\buildvm*.c
 @if errorlevel 1 goto :BAD
 %LJLINK% /out:buildvm.exe buildvm*.obj
diff --git a/src/ps4build.bat b/src/ps4build.bat
index 034e2c87..0bd86b1b 100644
--- a/src/ps4build.bat
+++ b/src/ps4build.bat
@@ -51,7 +51,11 @@ if exist minilua.exe.manifest^
 minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h %DASC%
 @if errorlevel 1 goto :BAD
 
+git show -s --format=%ct >luajit_relver.txt
+minilua host\genversion.lua
+
 %LJCOMPILE% /I "." /I %DASMDIR% %GC64% -DLUAJIT_TARGET=LUAJIT_ARCH_X64 -DLUAJIT_OS=LUAJIT_OS_OTHER -DLUAJIT_DISABLE_JIT -DLUAJIT_DISABLE_FFI -DLUAJIT_USE_SYSMALLOC -DLUAJIT_NO_UNWIND host\buildvm*.c
+
 @if errorlevel 1 goto :BAD
 %LJLINK% /out:buildvm.exe buildvm*.obj
 @if errorlevel 1 goto :BAD
diff --git a/src/ps5build.bat b/src/ps5build.bat
index 56818c2e..77357887 100644
--- a/src/ps5build.bat
+++ b/src/ps5build.bat
@@ -51,6 +51,9 @@ if exist minilua.exe.manifest^
 minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h %DASC%
 @if errorlevel 1 goto :BAD
 
+git show -s --format=%ct >luajit_relver.txt
+minilua host\genversion.lua
+
 %LJCOMPILE% /I "." /I %DASMDIR% %GC64% -DLUAJIT_TARGET=LUAJIT_ARCH_X64 -DLUAJIT_OS=LUAJIT_OS_OTHER -DLUAJIT_DISABLE_JIT -DLUAJIT_DISABLE_FFI -DLUAJIT_NO_UNWIND host\buildvm*.c
 @if errorlevel 1 goto :BAD
 %LJLINK% /out:buildvm.exe buildvm*.obj
diff --git a/src/psvitabuild.bat b/src/psvitabuild.bat
index 2980e157..35441142 100644
--- a/src/psvitabuild.bat
+++ b/src/psvitabuild.bat
@@ -31,6 +31,9 @@ if exist minilua.exe.manifest^
 minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h vm_arm.dasc
 @if errorlevel 1 goto :BAD
 
+git show -s --format=%ct >luajit_relver.txt
+minilua host\genversion.lua
+
 %LJCOMPILE% /I "." /I %DASMDIR% -DLUAJIT_TARGET=LUAJIT_ARCH_ARM -DLUAJIT_OS=LUAJIT_OS_OTHER -DLUAJIT_DISABLE_JIT -DLUAJIT_DISABLE_FFI -DLJ_TARGET_PSVITA=1 host\buildvm*.c
 @if errorlevel 1 goto :BAD
 %LJLINK% /out:buildvm.exe buildvm*.obj
diff --git a/src/xb1build.bat b/src/xb1build.bat
index 2eb68171..32903a99 100644
--- a/src/xb1build.bat
+++ b/src/xb1build.bat
@@ -31,6 +31,9 @@ if exist minilua.exe.manifest^
 minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h vm_x64.dasc
 @if errorlevel 1 goto :BAD
 
+git show -s --format=%ct >luajit_relver.txt
+minilua host\genversion.lua
+
 %LJCOMPILE% /I "." /I %DASMDIR% /D_DURANGO host\buildvm*.c
 @if errorlevel 1 goto :BAD
 %LJLINK% /out:buildvm.exe buildvm*.obj
diff --git a/src/xedkbuild.bat b/src/xedkbuild.bat
index 37322d03..1a5d888e 100644
--- a/src/xedkbuild.bat
+++ b/src/xedkbuild.bat
@@ -31,6 +31,9 @@ if exist minilua.exe.manifest^
 minilua %DASM% -LN %DASMFLAGS% -o host\buildvm_arch.h vm_ppc.dasc
 @if errorlevel 1 goto :BAD
 
+git show -s --format=%ct >luajit_relver.txt
+minilua host\genversion.lua
+
 %LJCOMPILE% /I "." /I %DASMDIR% /D_XBOX_VER=200 /DLUAJIT_TARGET=LUAJIT_ARCH_PPC  host\buildvm*.c
 @if errorlevel 1 goto :BAD
 %LJLINK% /out:buildvm.exe buildvm*.obj