diff --git a/requirements.txt b/requirements.txt
index a976ce3f7..6c2d7ba84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@
 -e third_party/litex-boards
 # vexriscv cpu
 -e third_party/pythondata-cpu-vexriscv_smp
-git+https://github.com/litex-hub/pythondata-cpu-vexriscv.git
+git+https://github.com/litex-hub/pythondata-cpu-vexriscv.git@a36d99eeea984c261e16b744fc1d287c81099777
 # litex software data
 git+https://github.com/litex-hub/pythondata-software-picolibc.git
 git+https://github.com/litex-hub/pythondata-software-compiler_rt.git