diff --git a/Cargo.lock b/Cargo.lock
index b09791519..c0acd0e82 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1869,7 +1869,7 @@ dependencies = [
 
 [[package]]
 name = "qcs"
-version = "0.16.4-rc.0"
+version = "0.16.4-rc.1"
 dependencies = [
  "async-trait",
  "built",
@@ -1996,7 +1996,7 @@ dependencies = [
 
 [[package]]
 name = "qcs-sdk-python"
-version = "0.12.4-rc.0"
+version = "0.12.4-rc.1"
 dependencies = [
  "async-trait",
  "numpy",
diff --git a/crates/lib/CHANGELOG.md b/crates/lib/CHANGELOG.md
index 187a37c6a..76ae0a69a 100644
--- a/crates/lib/CHANGELOG.md
+++ b/crates/lib/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.16.4-rc.1
+
+### Features
+
+- Update quil-rs (#365)
+
 ## 0.16.4-rc.0
 
 ### Features
diff --git a/crates/lib/Cargo.toml b/crates/lib/Cargo.toml
index ead9e4af5..c99de92c3 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 = "0.16.4-rc.0"
+version = "0.16.4-rc.1"
 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 ed945f8d5..596f3d7ec 100644
--- a/crates/python/CHANGELOG.md
+++ b/crates/python/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.12.4-rc.1
+
+### Features
+
+- Update quil-rs (#365)
+
 ## 0.12.4-rc.0
 
 ### Features
diff --git a/crates/python/Cargo.toml b/crates/python/Cargo.toml
index b1f7af3a1..a88599db2 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 = "0.12.4-rc.0"
+version = "0.12.4-rc.1"
 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 c9fb79377..3de590b81 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 = "0.12.4-rc.0"
+version = "0.12.4-rc.1"
 description = "Python interface for the QCS Rust SDK"
 readme = "README.md"
 license = { text = "Apache-2.0" }
@@ -26,7 +26,7 @@ dependencies = ["quil==0.5.5"]
 # We can remove this table once this issue is resolved: https://github.com/python-poetry/poetry/issues/3332
 [tool.poetry]
 name = "qcs-sdk-python"
-version = "0.12.4-rc.0"
+version = "0.12.4-rc.1"
 description = "Python interface for the QCS Rust SDK"
 readme = "README.md"
 authors = [