diff --git a/.gitmodules b/.gitmodules
index d9439a52..4ef347f8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "boot/cypress/libs/psoc6hal"]
 	path = boot/cypress/libs/psoc6hal
 	url = https://github.com/cypresssemiconductorco/psoc6hal.git
+[submodule "boot/cypress/libs/cy-mbedtls-acceleration"]
+	path = boot/cypress/libs/cy-mbedtls-acceleration
+	url = https://github.com/cypresssemiconductorco/cy-mbedtls-acceleration.git
diff --git a/boot/cypress/libs/cy-mbedtls-acceleration b/boot/cypress/libs/cy-mbedtls-acceleration
new file mode 160000
index 00000000..33aecf1d
--- /dev/null
+++ b/boot/cypress/libs/cy-mbedtls-acceleration
@@ -0,0 +1 @@
+Subproject commit 33aecf1d51fa63620daa14fe1d75d7bb085b2178