diff --git a/.gitmodules b/.gitmodules
index 8e64143..eb00ee1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -64,3 +64,6 @@
 [submodule "plugins/elasticsearch"]
 	path = plugins/elasticsearch
 	url = https://github.com/boundary/boundary-plugin-elasticsearch
+[submodule "plugins/sphinx"]
+	path = plugins/sphinx
+	url = https://github.com/boundary/boundary-plugin-sphinx
\ No newline at end of file
diff --git a/plugins/sphinx b/plugins/sphinx
new file mode 160000
index 0000000..84aff1c
--- /dev/null
+++ b/plugins/sphinx
@@ -0,0 +1 @@
+Subproject commit 84aff1cd204e30f752dd473c55f00b14a5a46bcf