diff --git a/.gitignore b/.gitignore
index e3ea0d5..70a968d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ greenlet-0.3.1.tar.gz
 /greenlet-1.1.3.tar.gz
 /greenlet-2.0.2.tar.gz
 /greenlet-3.0.0a1.tar.gz
+/greenlet-3.0.0rc1.tar.gz
diff --git a/python-greenlet.spec b/python-greenlet.spec
index 6de9f04..49a4bab 100644
--- a/python-greenlet.spec
+++ b/python-greenlet.spec
@@ -1,12 +1,12 @@
 %global         modname greenlet
 
 Name:           python-%{modname}
-Version:        3.0.0~a1
+Version:        3.0.0~rc1
 Release:        1%{?dist}
 Summary:        Lightweight in-process concurrent programming
 License:        MIT AND PSF-2.0
 URL:            https://github.com/python-greenlet/greenlet
-Source0:        %{url}/archive/3.0.0a1/%{modname}-3.0.0a1.tar.gz
+Source0:        %{url}/archive/3.0.0rc1/%{modname}-3.0.0rc1.tar.gz
 
 # Skip leak checking to avoid a missing dependency, `objgraph`
 Patch:          skip-leak-checks.patch
@@ -45,7 +45,7 @@ Requires:       python3-%{modname}%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{rel
 Python 3 version.
 
 %prep
-%autosetup -n %{modname}-3.0.0a1 -p1
+%autosetup -n %{modname}-3.0.0rc1 -p1
 
 %build
 %py3_build
@@ -70,6 +70,9 @@ PYTHONPATH="%{buildroot}%{python3_sitearch}" \
 %{_includedir}/python%{python3_version}*/%{modname}/
 
 %changelog
+* Wed Sep 06 2023 Carl George <carlwgeorge@fedoraproject.org> - 3.0.0~rc1-1
+- Update to version 3.0.0rc1
+
 * Sun Aug 13 2023 Orion Poplawski <orion@nwra.com> - 3.0.0~a1-1
 - Update to 3.0.0a1
 
diff --git a/sources b/sources
index d54ddc6..acc42e3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (greenlet-3.0.0a1.tar.gz) = 97560c4422a8dcf04521416c7184f78259ec64445d379328e70489abd3105d30466bd72120c83c5d08575863b589af9beef49bdfe749170c7c7db42ae5aa93c2
+SHA512 (greenlet-3.0.0rc1.tar.gz) = 5d15f40f5209fb50937e75e45f50b76ed63613beffd3390092828a78cc595dbee1a8e3a11379b18c3014183b08d67d67e589fd6b554b2e319a4b7cc571aed0d5