diff --git a/build_release.pl b/build_release.pl
index 739d95b..3878ee8 100755
--- a/build_release.pl
+++ b/build_release.pl
@@ -8,7 +8,7 @@ open my $fh, "<", "main.go" || die $!;
 my $version;
 while (<$fh>) {
   # CurrentVersion: "v0.04"
-  $version = $1 if /CurrentVersion:\s*"(v[\d\.]+)"/;
+  $version = $1 if /CurrentVersion:\s*"(v.*?)"/;
 }
 close $fh;