diff --git a/Cargo.lock b/Cargo.lock
index 7b1c73d1..e0dc036a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2800,7 +2800,7 @@ dependencies = [
 
 [[package]]
 name = "qcs"
-version = "0.25.3"
+version = "0.25.4-rc.0"
 dependencies = [
  "assert2",
  "async-trait",
@@ -2940,7 +2940,7 @@ dependencies = [
 
 [[package]]
 name = "qcs-sdk-python"
-version = "0.21.3"
+version = "0.21.4-rc.0"
 dependencies = [
  "async-trait",
  "numpy",
diff --git a/crates/lib/CHANGELOG.md b/crates/lib/CHANGELOG.md
index fc100a43..ee386f35 100644
--- a/crates/lib/CHANGELOG.md
+++ b/crates/lib/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.25.4-rc.0
+
+### Fixes
+
+- no longer need to patch metadata for grpc-web (#514)
+
 ## 0.25.3
 
 ### Fixes
diff --git a/crates/lib/Cargo.toml b/crates/lib/Cargo.toml
index a44623a3..8808e9ce 100644
--- a/crates/lib/Cargo.toml
+++ b/crates/lib/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "qcs"
 description = "High level interface for running Quil on a QPU"
-version = "0.25.3"
+version = "0.25.4-rc.0"
 edition = "2018"
 license = "Apache-2.0"
 repository = "https://github.com/rigetti/qcs-sdk-rust"
diff --git a/crates/python/CHANGELOG.md b/crates/python/CHANGELOG.md
index 250ef595..2d474a0c 100644
--- a/crates/python/CHANGELOG.md
+++ b/crates/python/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.21.4-rc.0
+
+### Fixes
+
+- no longer need to patch metadata for grpc-web (#514)
+
 ## 0.21.3
 
 ### Fixes
diff --git a/crates/python/Cargo.toml b/crates/python/Cargo.toml
index 6d31d67b..0c639201 100644
--- a/crates/python/Cargo.toml
+++ b/crates/python/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "qcs-sdk-python"
 description = "Python bindings to qcs-sdk-rust"
-version = "0.21.3"
+version = "0.21.4-rc.0"
 edition = "2021"
 license = "Apache-2.0"
 repository = "https://github.com/rigetti/qcs-sdk-rust"
diff --git a/crates/python/pyproject.toml b/crates/python/pyproject.toml
index 2ee041ec..10679c06 100644
--- a/crates/python/pyproject.toml
+++ b/crates/python/pyproject.toml
@@ -1,7 +1,7 @@
 # This is the metadata Maturin uploads to PyPI on publish
 [project]
 name = "qcs-sdk-python"
-version = "0.21.3"
+version = "0.21.4-rc.0"
 description = "Python interface for the QCS Rust SDK"
 readme = "README.md"
 license = { text = "Apache-2.0" }