-git+https://github.com/m-labs/migen
-git+https://github.com/enjoy-digital/litex
-git+https://github.com/enjoy-digital/litedram
+git+https://github.com/m-labs/migen@3ffd64c9b47619bd6689b44f29a8ed7c74365f14
+git+https://github.com/enjoy-digital/litex@f9f1b8e25db6d6db1aa47a135a5f898c433d516e
+git+https://github.com/enjoy-digital/litedram@83d18f48c7f7590096ddb35d669836d7abb3be6f