diff --git a/pyproject.toml b/pyproject.toml
index ea3a5226..da404ab3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,15 +58,15 @@ Documentation = "https://googleapis.dev/python/google-api-core/latest/"
 Repository = "https://github.com/googleapis/python-api-core"
 
 [project.optional-dependencies]
-async_rest = ["google-auth[aiohttp] >= 2.35.0, < 3.0.dev0"]
+async_rest = ["google-auth[aiohttp] >= 2.35.0, < 3.0.0"]
 grpc = [
-  "grpcio >= 1.33.2, < 2.0dev",
-  "grpcio >= 1.49.1, < 2.0dev; python_version >= '3.11'",
-  "grpcio-status >= 1.33.2, < 2.0.dev0",
-  "grpcio-status >= 1.49.1, < 2.0.dev0; python_version >= '3.11'",
+  "grpcio >= 1.33.2, < 2.0.0",
+  "grpcio >= 1.49.1, < 2.0.0; python_version >= '3.11'",
+  "grpcio-status >= 1.33.2, < 2.0.0",
+  "grpcio-status >= 1.49.1, < 2.0.0; python_version >= '3.11'",
 ]
-grpcgcp = ["grpcio-gcp >= 0.2.2, < 1.0.dev0"]
-grpcio-gcp = ["grpcio-gcp >= 0.2.2, < 1.0.dev0"]
+grpcgcp = ["grpcio-gcp >= 0.2.2, < 1.0.0"]
+grpcio-gcp = ["grpcio-gcp >= 0.2.2, < 1.0.0"]
 
 [tool.setuptools.dynamic]
 version = { attr = "google.api_core.version.__version__" }