diff --git a/.gitmodules b/.gitmodules
index 5a86166..68bb127 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -466,3 +466,6 @@
 [submodule "cargo-pgx"]
 	path = cargo-pgx
 	url = ssh://aur@aur.archlinux.org/cargo-pgx.git
+[submodule "postgresql-semver"]
+	path = postgresql-semver
+	url = ssh://aur@aur.archlinux.org/postgresql-semver.git
diff --git a/postgresql-semver b/postgresql-semver
new file mode 160000
index 0000000..7a3c1c0
--- /dev/null
+++ b/postgresql-semver
@@ -0,0 +1 @@
+Subproject commit 7a3c1c001701d99f35c56c0fc3de852eedfe00a1