diff --git a/.gitmodules b/.gitmodules
index 1445fa4..c73cb20 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -43,6 +43,9 @@
 [submodule "cargo-sweep"]
 	path = cargo-sweep
 	url = ssh://aur@aur.archlinux.org/cargo-sweep.git
+[submodule "cl-flexi-streams"]
+	path = cl-flexi-streams
+	url = ssh://aur@aur.archlinux.org/cl-flexi-streams.git
 [submodule "cl-trivial-gray-streams"]
 	path = cl-trivial-gray-streams
 	url = ssh://aur@aur.archlinux.org/cl-trivial-gray-streams.git
diff --git a/cl-flexi-streams b/cl-flexi-streams
new file mode 160000
index 0000000..f995024
--- /dev/null
+++ b/cl-flexi-streams
@@ -0,0 +1 @@
+Subproject commit f995024003529ace1854326332c744ff5931c6f9