diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..9b947ea
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "submodules/bash-preexec"]
+	path = submodules/bash-preexec
+	url = git@github.com:rcaloras/bash-preexec.git
diff --git a/submodules/bash-preexec b/submodules/bash-preexec
new file mode 160000
index 0000000..9811ba8
--- /dev/null
+++ b/submodules/bash-preexec
@@ -0,0 +1 @@
+Subproject commit 9811ba8b7694cdbd9debed931e922b67e439197a