Update spectrometer
diff --git a/cargo/spectrometer b/cargo/spectrometer
index da16355..b9bfc19 160000
--- a/cargo/spectrometer
+++ b/cargo/spectrometer
@@ -1 +1 @@
-Subproject commit da163559d651d7fdf233c196d360a9c90d7306c8
+Subproject commit b9bfc194e00bdb7174b5689b7add1131114a2d22