diff --git a/.github/ISSUE_TEMPLATE/bug.yml b/.github/ISSUE_TEMPLATE/bug.yml
index 0000da931..77784ef86 100644
--- a/.github/ISSUE_TEMPLATE/bug.yml
+++ b/.github/ISSUE_TEMPLATE/bug.yml
@@ -13,7 +13,7 @@ body:
     attributes:
       label: Singer SDK Version
       description: Version of the library you are using
-      placeholder: "0.35.0"
+      placeholder: "0.35.1"
     validations:
       required: true
   - type: checkboxes
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c23c195d..0321345f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,22 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## v0.35.1 (2024-02-15)
+
+### 🐛 Fixes
+
+- [#2243](https://github.com/meltano/sdk/issues/2243) Flattening level of record is now forced to match the provided flattened schema -- _**Thanks @joaopamaral!**_
+- [#2245](https://github.com/meltano/sdk/issues/2245) Instances of `oneOf` are now handled by null-appending logic
+- [#2242](https://github.com/meltano/sdk/issues/2242) Hard and soft deletes for handling `ACTIVATE_VERSION` messages now use the same `WHERE` clause -- _**Thanks @vitoravancini!**_
+- [#2232](https://github.com/meltano/sdk/issues/2232) Test workflow job now fails for unsupported Python versions in cookiecutter templates -- _**Thanks @ReubenFrankel!**_
+- [#2225](https://github.com/meltano/sdk/issues/2225) SQL columns that are non-nullable but not required (i.e. not part of a primary key) are now not included in the `"required": [...]` array of the discovered JSON schema
+
+### 📚 Documentation Improvements
+
+- [#2239](https://github.com/meltano/sdk/issues/2239) Linked reference docs to source code
+- [#2231](https://github.com/meltano/sdk/issues/2231) Added an example implemetation of JSON schema validation that uses `fastjsonschema`
+- [#2219](https://github.com/meltano/sdk/issues/2219) Added reference docs for tap & target testing helpers
+
 ## v0.35.0 (2024-02-02)
 
 ### ✨ New
diff --git a/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/pyproject.toml b/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/pyproject.toml
index eaf71ebac..ad2ac89d4 100644
--- a/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/pyproject.toml
+++ b/cookiecutter/mapper-template/{{cookiecutter.mapper_id}}/pyproject.toml
@@ -31,12 +31,12 @@ packages = [
 
 [tool.poetry.dependencies]
 python = ">=3.8"
-singer-sdk = { version="~=0.35.0"{{ ', extras = ["faker"]' if cookiecutter.faker_extra }} }
+singer-sdk = { version="~=0.35.1"{{ ', extras = ["faker"]' if cookiecutter.faker_extra }} }
 fs-s3fs = { version = "~=1.1.1", optional = true }
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=7.4.0"
-singer-sdk = { version="~=0.35.0", extras = ["testing"] }
+singer-sdk = { version="~=0.35.1", extras = ["testing"] }
 
 [tool.poetry.extras]
 s3 = ["fs-s3fs"]
diff --git a/cookiecutter/tap-template/{{cookiecutter.tap_id}}/pyproject.toml b/cookiecutter/tap-template/{{cookiecutter.tap_id}}/pyproject.toml
index c918ac15d..97b8f3119 100644
--- a/cookiecutter/tap-template/{{cookiecutter.tap_id}}/pyproject.toml
+++ b/cookiecutter/tap-template/{{cookiecutter.tap_id}}/pyproject.toml
@@ -31,7 +31,7 @@ packages = [
 [tool.poetry.dependencies]
 python = ">=3.8"
 importlib-resources = { version = "==6.1.*", python = "<3.9" }
-singer-sdk = { version="~=0.35.0"{{ ', extras = ["faker"]' if cookiecutter.faker_extra }} }
+singer-sdk = { version="~=0.35.1"{{ ', extras = ["faker"]' if cookiecutter.faker_extra }} }
 fs-s3fs = { version = "~=1.1.1", optional = true }
 {%- if cookiecutter.stream_type in ["REST", "GraphQL"] %}
 requests = "~=2.31.0"
@@ -39,7 +39,7 @@ requests = "~=2.31.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=7.4.0"
-singer-sdk = { version="~=0.35.0", extras = ["testing"] }
+singer-sdk = { version="~=0.35.1", extras = ["testing"] }
 
 [tool.poetry.extras]
 s3 = ["fs-s3fs"]
diff --git a/cookiecutter/target-template/{{cookiecutter.target_id}}/pyproject.toml b/cookiecutter/target-template/{{cookiecutter.target_id}}/pyproject.toml
index 417a8e8ab..17377f95e 100644
--- a/cookiecutter/target-template/{{cookiecutter.target_id}}/pyproject.toml
+++ b/cookiecutter/target-template/{{cookiecutter.target_id}}/pyproject.toml
@@ -30,7 +30,7 @@ packages = [
 
 [tool.poetry.dependencies]
 python = ">=3.8"
-singer-sdk = { version="~=0.35.0"{{ ', extras = ["faker"]' if cookiecutter.faker_extra }} }
+singer-sdk = { version="~=0.35.1"{{ ', extras = ["faker"]' if cookiecutter.faker_extra }} }
 fs-s3fs = { version = "~=1.1.1", optional = true }
 {%- if cookiecutter.serialization_method != "SQL" %}
 requests = "~=2.31.0"
@@ -38,7 +38,7 @@ requests = "~=2.31.0"
 
 [tool.poetry.dev-dependencies]
 pytest = ">=7.4.0"
-singer-sdk = { version="~=0.35.0", extras = ["testing"] }
+singer-sdk = { version="~=0.35.1", extras = ["testing"] }
 
 [tool.poetry.extras]
 s3 = ["fs-s3fs"]
diff --git a/docs/conf.py b/docs/conf.py
index ccd6fa98d..e4e9b6027 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -27,7 +27,7 @@
 author = "Meltano Core Team and Contributors"
 
 # The full version, including alpha/beta/rc tags
-release = "0.35.0"
+release = "0.35.1"
 
 
 # -- General configuration -------------------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index bd4c2ba17..c41daa433 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -171,7 +171,7 @@ norecursedirs = "cookiecutter"
 
 [tool.commitizen]
 name = "cz_version_bump"
-version = "0.35.0"
+version = "0.35.1"
 changelog_merge_prerelease = true
 prerelease_offset = 1
 tag_format = "v$major.$minor.$patch$prerelease"