diff --git a/package/libs/mbedtls/Makefile b/package/libs/mbedtls/Makefile
index 502bf65ffc450..3bfbe8758bc4f 100644
--- a/package/libs/mbedtls/Makefile
+++ b/package/libs/mbedtls/Makefile
@@ -143,7 +143,10 @@ endef
 
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include
-	$(CP) $(PKG_INSTALL_DIR)/usr/include/mbedtls $(1)/usr/include/
+	$(CP) \
+		$(PKG_INSTALL_DIR)/usr/include/mbedtls \
+		$(PKG_INSTALL_DIR)/usr/include/psa \
+		$(1)/usr/include/
 	$(INSTALL_DIR) $(1)/usr/lib
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/lib*.so* $(1)/usr/lib/
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/lib*.a $(1)/usr/lib/