diff --git a/.gitmodules b/.gitmodules
index 955140d60d..35f803a99c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 	path = gost-engine
 	url = https://github.com/gost-engine/engine
 	update = rebase
+[submodule "wycheproof"]
+	path = wycheproof
+	url = https://github.com/google/wycheproof
diff --git a/wycheproof b/wycheproof
new file mode 160000
index 0000000000..2196000605
--- /dev/null
+++ b/wycheproof
@@ -0,0 +1 @@
+Subproject commit 2196000605e45d91097147c9c71f26b72af58003