diff --git a/poetry.spec b/poetry.spec
index 833137e..98d734d 100644
--- a/poetry.spec
+++ b/poetry.spec
@@ -63,6 +63,10 @@ Conflicts:      python3-virtualenv < 20.19.0-2
 # Downstream report: https://bugzilla.redhat.com/show_bug.cgi?id=2188155#c8 
 sed -i 's/virtualenv = "^20.23.0"/virtualenv = ">=20.21.1"/' pyproject.toml
 sed -i 's/jsonschema = ">=4.10.0,<4.18.0"/jsonschema = ">=4.10.0,<4.20.0"/' pyproject.toml
+# Convert the SemVer bound on the version of keyring to a lower bound, since
+# its major version increases frequently, usually without significant
+# incompatibilities.
+sed -i -r 's/(keyring = ")\^/\1>=/' pyproject.toml
 
 
 %generate_buildrequires