diff --git a/CHANGELOG.md b/CHANGELOG.md
index 597345c7..2a3f2b93 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## [1.24.0](https://github.com/googleapis/proto-plus-python/compare/v1.23.0...v1.24.0) (2024-06-04)
+## [1.24.0rc2](https://github.com/googleapis/proto-plus-python/compare/v1.23.0...v1.24.0rc2) (2024-06-04)
 
 
 ### Features
diff --git a/proto/version.py b/proto/version.py
index dbdc76e0..c3ba70fa 100644
--- a/proto/version.py
+++ b/proto/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.24.0"
+__version__ = "1.24.0rc2"
diff --git a/setup.py b/setup.py
index 1de20941..73d6af40 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
 version = None
 
 with open(os.path.join(PACKAGE_ROOT, "proto/version.py")) as fp:
-    version_candidates = re.findall(r"(?<=\")\d+.\d+.\d+(?=\")", fp.read())
+    version_candidates = re.findall(r"(?<=\")\d+.\d+.\d+rc\d+", fp.read())
     assert len(version_candidates) == 1
     version = version_candidates[0]