diff --git a/.gitmodules b/.gitmodules
index 98842f2..f095d71 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,9 @@
 [submodule "camerad/Instruments/hispec_tracking_camera"]
 	path = camerad/Instruments/hispec_tracking_camera
 	url = https://github.com/CaltechOpticalObservatories/hispec-tracking-camera-instrument.git
+[submodule "camerad/Instruments/deimos"]
+	path = camerad/Instruments/deimos
+	url = https://github.com/CaltechOpticalObservatories/deimos-instrument.git
 [submodule "camerad/Instruments/cryoscope"]
 	path = camerad/Instruments/cryoscope
 	url = https://github.com/CaltechOpticalObservatories/cryoscope-instrument.git
diff --git a/camerad/Instruments/deimos b/camerad/Instruments/deimos
new file mode 160000
index 0000000..d39ee92
--- /dev/null
+++ b/camerad/Instruments/deimos
@@ -0,0 +1 @@
+Subproject commit d39ee9272876741ca7dc22e8a293f6f87530ff27