diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..21078cb7f8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "contrib/pg_tde"]
+	path = contrib/pg_tde
+	url = https://github.com/Percona-Lab/pg_tde.git
+	branch = smgr
diff --git a/contrib/pg_tde b/contrib/pg_tde
new file mode 160000
index 0000000000..36f6d6bff8
--- /dev/null
+++ b/contrib/pg_tde
@@ -0,0 +1 @@
+Subproject commit 36f6d6bff8f67ffa9b3f84a5d548512f86f0d7b7