diff --git a/Makefile b/Makefile
index cc2f55d6..59b8d707 100644
--- a/Makefile
+++ b/Makefile
@@ -15,13 +15,15 @@ PNGCFLAGS	:= `${PKG_CONFIG} --static --cflags libpng`
 PNGLDFLAGS	:= `${PKG_CONFIG} --static --libs-only-L libpng`
 PNGLDLIBS	:= `${PKG_CONFIG} --static --libs-only-l libpng`
 
+VERSION_STRING	:= `git describe --tags --dirty --always 2>/dev/null`
+
 WARNFLAGS	:= -Wall -Werror
 
 # Overridable CFLAGS
 CFLAGS		:= -g
 # Non-overridable CFLAGS
 REALCFLAGS	:= ${CFLAGS} ${WARNFLAGS} -std=c99 -D_POSIX_C_SOURCE=200809L \
-		   -Iinclude
+		   -Iinclude -DBUILD_VERSION_STRING=\"${VERSION_STRING}\"
 
 YFLAGS		:=
 LFLAGS		:= --nounistd
@@ -49,7 +51,9 @@ rgbasm_obj := \
 	src/extern/err.o \
 	src/extern/reallocarray.o \
 	src/extern/strlcpy.o \
-	src/extern/strlcat.o
+	src/extern/strlcat.o \
+	src/extern/version.o
+
 
 src/asm/asmy.h: src/asm/asmy.c
 src/asm/locallex.o src/asm/globlex.o src/asm/lexer.o: src/asm/asmy.h
@@ -66,20 +70,23 @@ rgblink_obj := \
 	src/link/parser.o \
 	src/link/script.o \
 	src/link/symbol.o \
-	src/extern/err.o
+	src/extern/err.o \
+	src/extern/version.o
 
 src/link/parser.h: src/link/parser.c
 src/link/lexer.o: src/link/parser.h
 
 rgbfix_obj := \
 	src/fix/main.o \
-	src/extern/err.o
+	src/extern/err.o \
+	src/extern/version.o
 
 rgbgfx_obj := \
 	src/gfx/gb.o \
 	src/gfx/main.o \
 	src/gfx/makepng.o \
-	src/extern/err.o
+	src/extern/err.o \
+	src/extern/version.o
 
 rgbasm: ${rgbasm_obj}
 	$Q${CC} ${REALCFLAGS} -o $@ ${rgbasm_obj} -lm
diff --git a/include/extern/version.h b/include/extern/version.h
new file mode 100644
index 00000000..998f4652
--- /dev/null
+++ b/include/extern/version.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 Antonio Nino Diaz <antonio_nd@outlook.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define PACKAGE_VERSION_MAJOR (0)
+#define PACKAGE_VERSION_MINOR (3)
+#define PACKAGE_VERSION_PATCH (2)
+
+const char * get_package_version_string(void);
diff --git a/src/asm/main.c b/src/asm/main.c
index c35bf528..2d826ce9 100644
--- a/src/asm/main.c
+++ b/src/asm/main.c
@@ -12,6 +12,7 @@
 #include "asm/main.h"
 #include "extern/err.h"
 #include "extern/reallocarray.h"
+#include "extern/version.h"
 
 int yyparse(void);
 void setuplex(void);
@@ -278,7 +279,7 @@ static void
 usage(void)
 {
 	printf(
-"Usage: rgbasm [-hvE] [-b chars] [-Dname[=value]] [-g chars] [-i path]\n"
+"Usage: rgbasm [-EhVvw] [-b chars] [-Dname[=value]] [-g chars] [-i path]\n"
 "              [-M dependfile] [-o outfile] [-p pad_value] file.asm\n");
 	exit(1);
 }
@@ -324,7 +325,7 @@ main(int argc, char *argv[])
 
 	newopt = CurrentOptions;
 
-	while ((ch = getopt(argc, argv, "b:D:g:hi:M:o:p:vEw")) != -1) {
+	while ((ch = getopt(argc, argv, "b:D:g:hi:M:o:p:EVvw")) != -1) {
 		switch (ch) {
 		case 'b':
 			if (strlen(optarg) == 2) {
@@ -338,6 +339,9 @@ main(int argc, char *argv[])
 		case 'D':
 			opt_AddDefine(optarg);
 			break;
+		case 'E':
+			newopt.exportall = true;
+			break;
 		case 'g':
 			if (strlen(optarg) == 4) {
 				newopt.gbgfx[0] = optarg[1];
@@ -373,17 +377,18 @@ main(int argc, char *argv[])
 				    "between 0 and 0xFF");
 			}
 			break;
+		case 'V':
+			printf("rgbasm %s\n", get_package_version_string());
+			exit(0);
 		case 'v':
 			newopt.verbose = true;
 			break;
-		case 'E':
-			newopt.exportall = true;
-			break;
 		case 'w':
 			newopt.warnings = false;
 			break;
 		default:
 			usage();
+			/* NOTREACHED */
 		}
 	}
 	argc -= optind;
diff --git a/src/asm/rgbasm.1 b/src/asm/rgbasm.1
index 2d45084e..784e0794 100644
--- a/src/asm/rgbasm.1
+++ b/src/asm/rgbasm.1
@@ -20,7 +20,7 @@
 .Nd Game Boy assembler
 .Sh SYNOPSIS
 .Nm rgbasm
-.Op Fl Ehvw
+.Op Fl EhVvw
 .Op Fl b Ar chars
 .Op Fl D Ar name Ns Op = Ns Ar value
 .Op Fl g Ar chars
@@ -72,6 +72,8 @@ Write an object file to the given filename.
 .It Fl p Ar pad_value
 When padding an image, pad with this value.
 The default is 0x00.
+.It Fl V
+Print the version of the program and exit.
 .It Fl v
 Be verbose.
 .It Fl w
diff --git a/src/asm/rgbasm.5 b/src/asm/rgbasm.5
index 34b5a501..c9469890 100644
--- a/src/asm/rgbasm.5
+++ b/src/asm/rgbasm.5
@@ -549,6 +549,9 @@ The following symbols are defined by the assembler:
 .It Ic EQU Ta Ic __UTC_HOUR__ Ta Ta Current hour, 0-23
 .It Ic EQU Ta Ic __UTC_MINUTE__ Ta Ta Current minute, 0-59
 .It Ic EQU Ta Ic __UTC_SECOND__ Ta Ta Current second, 0-59
+.It Ic EQU Ta Ic __RGBDS_MAJOR__ Ta Ta Major version number of RGBDS.
+.It Ic EQU Ta Ic __RGBDS_MINOR__ Ta Ta Minor version number of RGBDS.
+.It Ic EQU Ta Ic __RGBDS_PATCH__ Ta Ta Patch version number of RGBDS.
 .El
 .Pp
 .Sh DEFINING DATA
@@ -1012,6 +1015,15 @@ machine.
 .It Sx __ISO_8601_UTC__
 .It Sx __LINE__
 .It Sx __TIME__
+.It Sx __RGBDS_MAJOR__
+.It Sx __RGBDS_MINOR__
+.It Sx __RGBDS_PATCH__
+.It Sx __UTC_YEAR__
+.It Sx __UTC_MONTH__
+.It Sx __UTC_DAY__
+.It Sx __UTC_HOUR__
+.It Sx __UTC_MINUTE__
+.It Sx __UTC_SECOND__
 .It Sx _NARG
 .It Sx _PI
 .It Sx _RS
diff --git a/src/asm/symbol.c b/src/asm/symbol.c
index 43491584..23d59b38 100644
--- a/src/asm/symbol.c
+++ b/src/asm/symbol.c
@@ -13,6 +13,7 @@
 #include "asm/mymath.h"
 #include "asm/output.h"
 #include "extern/err.h"
+#include "extern/version.h"
 
 struct sSymbol *tHashedSymbols[HASHSIZE];
 struct sSymbol *pScope = NULL;
@@ -848,6 +849,9 @@ sym_PrepPass2(void)
 	sym_AddString("__UTC_HOUR__", SavedHOUR);
 	sym_AddString("__UTC_MINUTE__", SavedMINUTE);
 	sym_AddString("__UTC_SECOND__", SavedSECOND);
+	sym_AddEqu("__RGBDS_MAJOR__", PACKAGE_VERSION_MAJOR);
+	sym_AddEqu("__RGBDS_MINOR__", PACKAGE_VERSION_MINOR);
+	sym_AddEqu("__RGBDS_PATCH__", PACKAGE_VERSION_PATCH);
 	sym_AddSet("_RS", 0);
 
 	sym_AddEqu("_NARG", 0);
diff --git a/src/extern/version.c b/src/extern/version.c
new file mode 100644
index 00000000..4a23e562
--- /dev/null
+++ b/src/extern/version.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 Antonio Nino Diaz <antonio_nd@outlook.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "extern/version.h"
+
+const char * get_package_version_string(void)
+{
+	static char s[50];
+
+	/* The following conditional should be simplified by the compiler. */
+	if (strlen(BUILD_VERSION_STRING) == 0) {
+		snprintf(s, sizeof(s), "v%d.%d.%d", PACKAGE_VERSION_MAJOR,
+			PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCH);
+		return s;
+	} else {
+		return BUILD_VERSION_STRING;
+	}
+}
diff --git a/src/fix/main.c b/src/fix/main.c
index f634ce57..05c227f0 100644
--- a/src/fix/main.c
+++ b/src/fix/main.c
@@ -22,12 +22,13 @@
 #include <unistd.h>
 
 #include "extern/err.h"
+#include "extern/version.h"
 
 static void
 usage(void)
 {
 	printf(
-"usage: rgbfix [-Ccjsv] [-i game_id] [-k licensee_str] [-l licensee_id]\n"
+"usage: rgbfix [-CcjsVv] [-i game_id] [-k licensee_str] [-l licensee_id]\n"
 "              [-m mbc_type] [-n rom_version] [-p pad_value] [-r ram_size]\n"
 "              [-t title_str] file\n");
 	exit(1);
@@ -69,7 +70,7 @@ main(int argc, char *argv[])
 	int version;   /* mask ROM version number */
 	int padvalue;  /* to pad the rom with if it changes size */
 
-	while ((ch = getopt(argc, argv, "Cci:jk:l:m:n:p:sr:t:v")) != -1) {
+	while ((ch = getopt(argc, argv, "Cci:jk:l:m:n:p:sr:t:Vv")) != -1) {
 		switch (ch) {
 		case 'C':
 			coloronly = true;
@@ -177,6 +178,9 @@ main(int argc, char *argv[])
 
 			title = optarg;
 			break;
+		case 'V':
+			printf("rgbfix %s\n", get_package_version_string());
+			exit(0);
 		case 'v':
 			validate = true;
 			break;
diff --git a/src/fix/rgbfix.1 b/src/fix/rgbfix.1
index cbbb3661..7cc39801 100644
--- a/src/fix/rgbfix.1
+++ b/src/fix/rgbfix.1
@@ -20,7 +20,7 @@
 .Nd Game Boy checksum fixer
 .Sh SYNOPSIS
 .Nm rgbfix
-.Op Fl Ccjsv
+.Op Fl CcjsVv
 .Op Fl i Ar game_id
 .Op Fl k Ar licensee_str
 .Op Fl l Ar licensee_id
@@ -108,6 +108,8 @@ or
 .Pc .
 If both this and the game ID are set, the game ID will overwrite the
 overlapping portion of the title.
+.It Fl V
+Print the version of the program and exit.
 .It Fl v
 Validate the header and fix checksums: the Nintendo character area
 .Pq Ad 0x104 Ns \(en Ns Ad 0x133 ,
diff --git a/src/gfx/main.c b/src/gfx/main.c
index cc8bca2a..4e13e1fb 100644
--- a/src/gfx/main.c
+++ b/src/gfx/main.c
@@ -14,17 +14,19 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <getopt.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
+
+#include "extern/version.h"
 #include "gfx/main.h"
 
 static void
 usage(void)
 {
 	printf(
-"usage: rgbgfx [-DFfhPTuv] [-d #] [-o outfile] [-p palfile] [-t mapfile]\n"
-"[-x #] infile\n");
+"usage: rgbgfx [-DFfhPTuVv] [-d #] [-o outfile] [-p palfile] [-t mapfile]\n"
+"              [-x #] infile\n");
 	exit(1);
 }
 
@@ -49,27 +51,30 @@ main(int argc, char *argv[])
 
 	depth = 2;
 
-	while((ch = getopt(argc, argv, "DvFfd:hx:Tt:uPp:o:")) != -1) {
+	while((ch = getopt(argc, argv, "Dd:Ffho:Tt:uPp:Vvx:")) != -1) {
 		switch(ch) {
 		case 'D':
 			opts.debug = true;
 			break;
-		case 'v':
-			opts.verbose = true;
+		case 'd':
+			depth = strtoul(optarg, NULL, 0);
 			break;
 		case 'F':
 			opts.hardfix = true;
 		case 'f':
 			opts.fix = true;
 			break;
-		case 'd':
-			depth = strtoul(optarg, NULL, 0);
-			break;
 		case 'h':
 			opts.horizontal = true;
 			break;
-		case 'x':
-			opts.trim = strtoul(optarg, NULL, 0);
+		case 'o':
+			opts.outfile = optarg;
+			break;
+		case 'P':
+			opts.palout = true;
+			break;
+		case 'p':
+			opts.palfile = optarg;
 			break;
 		case 'T':
 			opts.mapout = true;
@@ -80,17 +85,18 @@ main(int argc, char *argv[])
 		case 'u':
 			opts.unique = true;
 			break;
-		case 'P':
-			opts.palout = true;
+		case 'V':
+			printf("rgbgfx %s\n", get_package_version_string());
+			exit(0);
+		case 'v':
+			opts.verbose = true;
 			break;
-		case 'p':
-			opts.palfile = optarg;
-			break;
-		case 'o':
-			opts.outfile = optarg;
+		case 'x':
+			opts.trim = strtoul(optarg, NULL, 0);
 			break;
 		default:
 			usage();
+			/* NOTREACHED */
 		}
 	}
 	argc -= optind;
diff --git a/src/gfx/rgbgfx.1 b/src/gfx/rgbgfx.1
index 54240c8c..3951e77f 100644
--- a/src/gfx/rgbgfx.1
+++ b/src/gfx/rgbgfx.1
@@ -20,7 +20,7 @@
 .Nd Game Boy graphics converter
 .Sh SYNOPSIS
 .Nm rgbgfx
-.Op Fl DfFhPTv
+.Op Fl DfFhPTVv
 .Op Fl o Ar outfile
 .Op Fl d Ar depth
 .Op Fl p Ar palfile
@@ -70,6 +70,8 @@ removing the file extension, and appending
 .Pa .tilemap .
 .It Fl u
 Truncate repeated tiles. Useful with tilemaps.
+.It Fl V
+Print the version of the program and exit.
 .It Fl v
 Verbose.
 Print errors when the command line parameters and the parameters in
diff --git a/src/link/main.c b/src/link/main.c
index 9e246f2f..3c88e7f3 100644
--- a/src/link/main.c
+++ b/src/link/main.c
@@ -4,6 +4,7 @@
 #include <unistd.h>
 
 #include "extern/err.h"
+#include "extern/version.h"
 #include "link/object.h"
 #include "link/output.h"
 #include "link/assign.h"
@@ -33,7 +34,7 @@ static void
 usage(void)
 {
 	printf(
-"usage: rgblink [-twd] [-l linkerscript] [-m mapfile] [-n symfile] [-O overlay]\n"
+"usage: rgblink [-dtVw] [-l linkerscript] [-m mapfile] [-n symfile] [-O overlay]\n"
 "               [-o outfile] [-p pad_value] [-s symbol] file [...]\n");
 	exit(1);
 }
@@ -52,7 +53,7 @@ main(int argc, char *argv[])
 	if (argc == 1)
 		usage();
 
-	while ((ch = getopt(argc, argv, "l:m:n:o:O:p:s:twd")) != -1) {
+	while ((ch = getopt(argc, argv, "dl:m:n:O:o:p:s:tVw")) != -1) {
 		switch (ch) {
 		case 'l':
 			SetLinkerscriptName(optarg);
@@ -98,7 +99,7 @@ main(int argc, char *argv[])
 			 * This option implies OPT_CONTWRAM.
 			 */
 			options |= OPT_DMG_MODE;
-			/* fallthrough */
+			/* FALLTHROUGH */
 		case 'w':
 			/* Set to set WRAM as a single continuous block as on
 			 * DMG. All WRAM sections must be WRAM0 as bankable WRAM
@@ -106,6 +107,9 @@ main(int argc, char *argv[])
 			 * will raise an error. */
 			options |= OPT_CONTWRAM;
 			break;
+		case 'V':
+			printf("rgblink %s\n", get_package_version_string());
+			exit(0);
 		default:
 			usage();
 			/* NOTREACHED */
diff --git a/src/link/rgblink.1 b/src/link/rgblink.1
index 2f1dc79a..85d8b882 100644
--- a/src/link/rgblink.1
+++ b/src/link/rgblink.1
@@ -20,9 +20,7 @@
 .Nd Game Boy linker
 .Sh SYNOPSIS
 .Nm rgblink
-.Op Fl t
-.Op Fl w
-.Op Fl d
+.Op Fl dtVw
 .Op Fl m Ar mapfile
 .Op Fl n Ar symfile
 .Op Fl O Ar overlayfile
@@ -95,6 +93,8 @@ have to be consistent.
 See
 .Xr rgblink 5
 for more information about its format.
+.It Fl V
+Print the version of the program and exit.
 .El
 .Sh EXAMPLES
 All you need for a basic ROM is an object file, which can be made into a ROM