diff --git a/.gitmodules b/.gitmodules
index 0f8d8b3..01f8eb8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,6 +10,9 @@
 [submodule "better-shell"]
 	path = borg/better-shell
 	url = https://github.com/killdash9/better-shell
+[submodule "blacken"]
+	path = borg/blacken
+	url = https://github.com/pythonic-emacs/blacken
 [submodule "company"]
 	path = borg/company
 	url = https://github.com/company-mode/company-mode
diff --git a/borg/blacken b/borg/blacken
new file mode 160000
index 0000000..456596e
--- /dev/null
+++ b/borg/blacken
@@ -0,0 +1 @@
+Subproject commit 456596e00f8277eafd9a08c62a71df06e8cad2c5