diff --git a/Makefile b/Makefile
index 129a682..d407d0f 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,7 @@ all: $(BUILD)/tbm
 
 -include scripts/Makefile.${TARGET}
 
+CFLAGS += -DTBM_VERSION=\"2017-07-27-dev\"
 CFLAGS += -Iinclude
 CFLAGS += -Wall -Wundef -Wextra -Wshadow -Wimplicit-function-declaration
 CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes -pedantic
@@ -47,6 +48,7 @@ obj-y += source/shell/flash.o
 obj-y += source/shell/ftl.o
 obj-y += source/shell/mufs.o
 obj-y += source/shell/rtc.o
+obj-y += source/shell/version.o
 
 obj = $(addprefix $(BUILD)/, $(obj-y))
 
diff --git a/include/shell/version.h b/include/shell/version.h
new file mode 100644
index 0000000..0134307
--- /dev/null
+++ b/include/shell/version.h
@@ -0,0 +1,3 @@
+#pragma once
+
+void shell_version(struct console *con, const char **argv, size_t argc);
diff --git a/source/shell/version.c b/source/shell/version.c
new file mode 100644
index 0000000..737099b
--- /dev/null
+++ b/source/shell/version.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+#include <console.h>
+
+#include <shell/version.h>
+
+void shell_version(struct console *con, const char **argv, size_t argc)
+{
+	(void)argv;
+
+	if (argc < 1)
+		return;
+
+	fprintf(con->fp, "hello,%s\n", TBM_VERSION);
+}