diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 40074e83c..2a5c21566 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1.9.0b1
+current_version = 1.9.0rc1
 parse = (?P<major>[\d]+) # major version number
 	\.(?P<minor>[\d]+) # minor version number
 	\.(?P<patch>[\d]+) # patch version number
diff --git a/.changes/1.9.0-rc1.md b/.changes/1.9.0-rc1.md
new file mode 100644
index 000000000..2fd341235
--- /dev/null
+++ b/.changes/1.9.0-rc1.md
@@ -0,0 +1,16 @@
+## dbt-spark 1.9.0-rc1 - December 02, 2024
+
+### Breaking Changes
+
+- Drop support for Python 3.8 ([#1121](https://github.com/dbt-labs/dbt-spark/issues/1121))
+
+### Features
+
+- Enable setting current value of dbt_valid_to ([#1112](https://github.com/dbt-labs/dbt-spark/issues/1112))
+
+### Under the Hood
+
+- Isolating distribution testing ([#1069](https://github.com/dbt-labs/dbt-spark/issues/1069))
+
+### Contributors
+- [@leahwicz](https://github.com/leahwicz) ([#1069](https://github.com/dbt-labs/dbt-spark/issues/1069))
diff --git a/.changes/unreleased/Breaking Changes-20241016-184157.yaml b/.changes/1.9.0/Breaking Changes-20241016-184157.yaml
similarity index 100%
rename from .changes/unreleased/Breaking Changes-20241016-184157.yaml
rename to .changes/1.9.0/Breaking Changes-20241016-184157.yaml
diff --git a/.changes/unreleased/Features-20240927-133927.yaml b/.changes/1.9.0/Features-20240927-133927.yaml
similarity index 100%
rename from .changes/unreleased/Features-20240927-133927.yaml
rename to .changes/1.9.0/Features-20240927-133927.yaml
diff --git a/.changes/unreleased/Under the Hood-20240911-192845.yaml b/.changes/1.9.0/Under the Hood-20240911-192845.yaml
similarity index 100%
rename from .changes/unreleased/Under the Hood-20240911-192845.yaml
rename to .changes/1.9.0/Under the Hood-20240911-192845.yaml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7679e37bc..66224da85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,24 @@
 - "Breaking changes" listed under a version may require action from end users or external maintainers when upgrading to that version.
 - Do not edit this file directly. This file is auto-generated using [changie](https://github.com/miniscruff/changie). For details on how to document a change, see [the contributing guide](https://github.com/dbt-labs/dbt-spark/blob/main/CONTRIBUTING.md#adding-changelog-entry)
 
+## dbt-spark 1.9.0-rc1 - December 02, 2024
+
+### Breaking Changes
+
+- Drop support for Python 3.8 ([#1121](https://github.com/dbt-labs/dbt-spark/issues/1121))
+
+### Features
+
+- Enable setting current value of dbt_valid_to ([#1112](https://github.com/dbt-labs/dbt-spark/issues/1112))
+
+### Under the Hood
+
+- Isolating distribution testing ([#1069](https://github.com/dbt-labs/dbt-spark/issues/1069))
+
+### Contributors
+- [@leahwicz](https://github.com/leahwicz) ([#1069](https://github.com/dbt-labs/dbt-spark/issues/1069))
+
+
 ## dbt-spark 1.9.0-b1 - October 01, 2024
 
 ### Features
@@ -37,7 +55,6 @@
 - [@jpoley](https://github.com/jpoley) ([#1092](https://github.com/dbt-labs/dbt-spark/issues/1092))
 - [@nilan3](https://github.com/nilan3) ([#1092](https://github.com/dbt-labs/dbt-spark/issues/1092))
 
-
 ## Previous Releases
 For information on prior major and minor releases, see their changelogs:
 - [1.6](https://github.com/dbt-labs/dbt-spark/blob/1.6.latest/CHANGELOG.md)
diff --git a/dbt/adapters/spark/__version__.py b/dbt/adapters/spark/__version__.py
index a4077fff2..c70591d8a 100644
--- a/dbt/adapters/spark/__version__.py
+++ b/dbt/adapters/spark/__version__.py
@@ -1 +1 @@
-version = "1.9.0b1"
+version = "1.9.0rc1"
diff --git a/setup.py b/setup.py
index 406c181d5..205089ed9 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ def _get_plugin_version_dict():
 
 
 package_name = "dbt-spark"
-package_version = "1.9.0b1"
+package_version = "1.9.0rc1"
 description = """The Apache Spark adapter plugin for dbt"""
 
 odbc_extras = ["pyodbc~=5.1.0"]