diff --git a/python-cryptography.spec b/python-cryptography.spec
index e7a1b1c..d83d2b1 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -72,6 +72,7 @@ recipes to Python developers.
 %autosetup -p1 -n %{srcname}-%{version}
 %if 0%{?fedora}
 %cargo_prep
+sed -i 's/locked = true//g' pyproject.toml
 rm src/rust/Cargo.lock
 %else
 # RHEL: use vendored Rust crates