diff --git a/.gitmodules b/.gitmodules
index 815a04f976..f956373d59 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -69,4 +69,4 @@
 	url = https://github.com/abseil/abseil-cpp.git
 [submodule "backends/cadence/hifi/third-party/nnlib/nnlib-hifi4"]
 	path = backends/cadence/hifi/third-party/nnlib/nnlib-hifi4
-	url = https://github.com/foss-xtensa/nnlib-hifi4.git
\ No newline at end of file
+	url = https://github.com/foss-xtensa/nnlib-hifi4.git
diff --git a/backends/cadence/hifi/third-party/nnlib/nnlib-hifi4 b/backends/cadence/hifi/third-party/nnlib/nnlib-hifi4
new file mode 160000
index 0000000000..6a9ea45e23
--- /dev/null
+++ b/backends/cadence/hifi/third-party/nnlib/nnlib-hifi4
@@ -0,0 +1 @@
+Subproject commit 6a9ea45e23ef591fe207442df33a5ebe88bbe8de