diff --git a/.gitmodules b/.gitmodules
index 65686a4..6001740 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -418,3 +418,6 @@
 [submodule "ruby-dry-equalizer"]
 	path = ruby-dry-equalizer
 	url = ssh://aur@aur.archlinux.org/ruby-dry-equalizer.git
+[submodule "ruby-dry-monads"]
+	path = ruby-dry-monads
+	url = ssh://aur@aur.archlinux.org/ruby-dry-monads.git
diff --git a/ruby-dry-monads b/ruby-dry-monads
new file mode 160000
index 0000000..2ab1638
--- /dev/null
+++ b/ruby-dry-monads
@@ -0,0 +1 @@
+Subproject commit 2ab1638a3e2cf4607985c973b591cacf49bfa594