diff --git a/.gitmodules b/.gitmodules
index c032fc0..69eef19 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "external/pipeline"]
 	path = external/pipeline
 	url = https://github.com/p-ranav/pipeline.git
+[submodule "external/pipes"]
+	path = external/pipes
+	url = https://github.com/joboccara/pipes.git
diff --git a/external/pipes b/external/pipes
new file mode 160000
index 0000000..fd55a44
--- /dev/null
+++ b/external/pipes
@@ -0,0 +1 @@
+Subproject commit fd55a449399f790e3c5d9f53782cf7127f6be25e