diff --git a/requirements-optional.txt b/requirements-optional.txt
index 5c702c58ec..c8296cfaf3 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -8,7 +8,7 @@ nbval<0.11
 filecheck<0.0.24
 lit<17.0.0
 pre-commit==3.3.2
-git+https://github.com/antonlydike/riscemu.git@efbaceb61e565f53ded2daf956e7669be79643b3#egg=riscemu
+riscemu==2.1.0
 # pyright has to be the last line and fixed with `==`. The CI parses this file
 # in `.github/parse_pyright_version.py` and installs the according version for
 # typechecking.