diff --git a/dev-requirements.txt b/dev-requirements.txt
index 62ec0a08..ea42dd52 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1 +1 @@
-betterproto[compiler]==2.0.0b5
+betterproto[compiler]==2.0.0b6
diff --git a/gen/pb-python/pyproject.toml b/gen/pb-python/pyproject.toml
index 1524c856..cac2d7bb 100644
--- a/gen/pb-python/pyproject.toml
+++ b/gen/pb-python/pyproject.toml
@@ -4,12 +4,12 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = "sigstore-protobuf-specs"
-version = "0.2.3rc1"
+version = "0.3.0rc0"
 description = "A library for serializing and deserializing Sigstore messages"
 readme = "README.md"
 license = { file = "LICENSE" }
 authors = [
-  { name = "Sigstore Authors", email = "sigstore-dev@googlegroups.com" }
+  { name = "Sigstore Authors", email = "sigstore-dev@googlegroups.com" },
 ]
 classifiers = [
   "License :: OSI Approved :: Apache Software License",
@@ -25,9 +25,7 @@ classifiers = [
   "Topic :: Security",
   "Topic :: Security :: Cryptography",
 ]
-dependencies = [
-  "betterproto==2.0.0b6",
-]
+dependencies = ["betterproto==2.0.0b6"]
 requires-python = ">=3.8"
 
 [project.urls]
@@ -36,6 +34,4 @@ Issues = "https://github.com/sigstore/protobuf-specs/issues"
 Source = "https://github.com/sigstore/protobuf-specs"
 
 [project.optional-dependencies]
-dev = [
-  "build",
-]
+dev = ["build"]