diff --git a/Makefile b/Makefile
index 8445c60..8c42343 100644
--- a/Makefile
+++ b/Makefile
@@ -38,8 +38,10 @@
 
 all: pciutils dep $(PROGRAM)
 
-# Set the flashrom version string
-SVNDEF := -D'FLASHROM_VERSION="0.9.0"'
+# Set the flashrom version string from the highest revision number
+# of the checked out flashrom files.
+SVNDEF := -D'FLASHROM_VERSION="0.9.0-r$(shell svnversion -cn . \
+          | sed -e "s/.*://" -e "s/\([0-9]*\).*/\1/")"'
 
 $(PROGRAM): $(OBJS)
 	$(CC) -o $(PROGRAM) $(OBJS) $(LDFLAGS)