diff --git a/.gitmodules b/.gitmodules
index abbb89b9..67c7f0e8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,3 +14,6 @@
 [submodule "compression/bitshuffle_hperf"]
 	path = compression/bitshuffle_hperf
 	url = https://github.com/kalcutter/bitshuffle
+[submodule "broker/pistache"]
+	path = broker/pistache
+	url = https://github.com/fleon-psi/pistache
diff --git a/broker/pistache b/broker/pistache
new file mode 160000
index 00000000..feccbca4
--- /dev/null
+++ b/broker/pistache
@@ -0,0 +1 @@
+Subproject commit feccbca4f135a7d21edd4f8109917ac089ba162d