diff --git a/litex_setup.py b/litex_setup.py
index 2354a6846..577675dfd 100755
--- a/litex_setup.py
+++ b/litex_setup.py
@@ -70,7 +70,7 @@ class GitRepo:
 git_repos = {
     # HDL.
     # ----
-    "migen":    GitRepo(url="https://github.com/m-labs/", clone="recursive"),
+    "migen":    GitRepo(url="https://github.com/m-labs/", clone="recursive", sha1=0xccaee68e14d3636e1d8fb2e0864dd89b1b1f7384),
 
     # LiteX SoC builder.
     # ------------------