diff --git a/.github/ISSUE_TEMPLATE/bugreport.yml b/.github/ISSUE_TEMPLATE/bugreport.yml
index af61939..fb4015e 100644
--- a/.github/ISSUE_TEMPLATE/bugreport.yml
+++ b/.github/ISSUE_TEMPLATE/bugreport.yml
@@ -1,6 +1,6 @@
 name: Bug Report
 description: File a bug report to help us improve
-title: '[Bug]: '
+title: "[Bug]: "
 labels: [bug, triage]
 assignees: []
 body:
@@ -16,7 +16,7 @@ body:
         Describe what you were trying to get done.
         Tell us what happened, what went wrong, and what you expected to happen.
       placeholder: Tell us what you see!
-      value: 'A bug happened!'
+      value: "A bug happened!"
     validations:
       required: true
   - type: textarea
@@ -50,7 +50,7 @@ body:
       label: Which Python version are you using?
       multiple: true
       options:
-        - '3.7'
-        - '3.8'
-        - '3.9'
-        - '3.10'
+        - "3.7"
+        - "3.8"
+        - "3.9"
+        - "3.10"
diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
index fe0bcda..838c16e 100644
--- a/.github/dependabot.yaml
+++ b/.github/dependabot.yaml
@@ -4,8 +4,8 @@ updates:
   #   directory: '/'
   #   schedule:
   #     interval: 'weekly'
-  - package-ecosystem: 'github-actions'
-    directory: '/'
+  - package-ecosystem: "github-actions"
+    directory: "/"
     schedule:
       # Check for updates once a week
-      interval: 'weekly'
+      interval: "weekly"
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4b83952..b78f6ae 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -3,7 +3,7 @@ on:
   push:
   pull_request:
   schedule:
-    - cron: '0 0 * * *' # Daily “At 00:00”
+    - cron: "0 0 * * *" # Daily “At 00:00”
   workflow_dispatch: # allows you to trigger manually
 
 concurrency:
@@ -21,7 +21,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
     steps:
       - uses: actions/checkout@v3
       - uses: conda-incubator/setup-miniconda@v2
@@ -31,7 +31,7 @@ jobs:
           activate-environment: xpersist-dev
           auto-update-conda: false
           python-version: ${{ matrix.python-version }}
-          mamba-version: '*'
+          mamba-version: "*"
           use-mamba: true
           miniforge-variant: Mambaforge
           environment-file: ci/environment.yml
diff --git a/.github/workflows/upstream-dev-ci.yaml b/.github/workflows/upstream-dev-ci.yaml
index 23c0850..cf01302 100644
--- a/.github/workflows/upstream-dev-ci.yaml
+++ b/.github/workflows/upstream-dev-ci.yaml
@@ -2,7 +2,7 @@ name: Upstream CI
 on:
   push:
   schedule:
-    - cron: '0 0 * * *' # Daily “At 00:00” UTC
+    - cron: "0 0 * * *" # Daily “At 00:00” UTC
   workflow_dispatch: # allows you to trigger the workflow run manually
 
 concurrency:
@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.10']
+        python-version: ["3.10"]
     steps:
       - uses: actions/checkout@v3
       - uses: conda-incubator/setup-miniconda@v2
@@ -31,7 +31,7 @@ jobs:
           auto-update-conda: false
           python-version: ${{ matrix.python-version }}
           environment-file: ci/upstream-dev-environment.yml
-          mamba-version: '*'
+          mamba-version: "*"
           use-mamba: true
           miniforge-variant: Mambaforge
 
diff --git a/codecov.yml b/codecov.yml
index aa1da5f..3961baf 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -5,8 +5,8 @@ codecov:
 comment: false
 
 ignore:
-  - 'tests/*.py'
-  - 'setup.py'
+  - "tests/*.py"
+  - "setup.py"
 
 coverage:
   precision: 2
diff --git a/readthedocs.yml b/readthedocs.yml
index 68e5895..1aed175 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -2,6 +2,6 @@ version: 2
 conda:
   environment: ci/environment-docs.yml
 build:
-  os: 'ubuntu-20.04'
+  os: "ubuntu-20.04"
   tools:
-    python: 'mambaforge-4.10'
+    python: "mambaforge-4.10"
diff --git a/xpersist/registry.py b/xpersist/registry.py
index 663a85e..ef2346b 100644
--- a/xpersist/registry.py
+++ b/xpersist/registry.py
@@ -15,12 +15,10 @@
 
 
 class Decorator(Protocol):
-    def __call__(self, name: str) -> typing.Callable[[_DIn], _DIn]:
-        ...
+    def __call__(self, name: str) -> typing.Callable[[_DIn], _DIn]: ...
 
 
 class registry:
-
     """xpersist's global registry entrypoint.
 
     This is used to register serializers and other components that are used by xpersist.