diff --git a/.gitmodules b/.gitmodules
index a858f02f..ac0ebb96 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -427,3 +427,6 @@
 [submodule "repos/SA-Seasons"]
 	path = repos/SA-Seasons
 	url = https://github.com/SpektroAudio/Seasons.git
+[submodule "repos/pfzzz"]
+	path = repos/pfzzz
+	url = https://github.com/pfzzz/rack-plugin.git
diff --git a/repos/pfzzz b/repos/pfzzz
new file mode 160000
index 00000000..11e4d717
--- /dev/null
+++ b/repos/pfzzz
@@ -0,0 +1 @@
+Subproject commit 11e4d7172e742e0a58dcf76eff8e019bdfa4c0a4