diff --git a/CHANGELOG.md b/CHANGELOG.md
index 585481a8..f252ab68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log for spellcheck-github-actions
 
+## 0.45.0, 2024-10-31, maintenance release, update not required
+
+- Docker base image updated from `python:3.13.0-slim-bullseye` to `python:3.13.0-slim-bookworm`
+
 ## 0.44.0, 2024-10-25, maintenance release, update not required
 
 - Docker image updated to Python 3.13.0 slim via PR [#217](https://github.com/rojopolis/spellcheck-github-actions/pull/217) from Dependabot. [Release notes for Python 3.13.0](https://docs.python.org/release/3.13.0/whatsnew/changelog.html)
diff --git a/Dockerfile b/Dockerfile
index 2fc0de6a..f9cdcc0f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # REF: https://hub.docker.com/_/python
-FROM python:3.13.0-slim-bullseye
+FROM python:3.13.0-slim-bookworm
 
 LABEL "com.github.actions.name"="Spellcheck Action"
 LABEL "com.github.actions.description"="Check spelling of files in repository"
diff --git a/README.md b/README.md
index d2f8504d..e0bd6e3b 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,7 @@ jobs:
     steps:
     # The checkout step
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.44.0
+    - uses: rojopolis/spellcheck-github-actions@0.45.0
       name: Spellcheck
 ```
 
@@ -114,7 +114,7 @@ For example, it could be named `.github/workflows/spelling_action.yml` for easy
 
 ### Using a Canonical Version
 
-In the above example, the configuration is pointing to the exact version of `0.44.0`, this repository also offers  the canonical version `v0`, so there is less hassle keeping the action up to date.
+In the above example, the configuration is pointing to the exact version of `0.45.0`, this repository also offers  the canonical version `v0`, so there is less hassle keeping the action up to date.
 
 ```yaml
 name: Spellcheck Action
@@ -202,7 +202,7 @@ jobs:
     steps:
     # The checkout step
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.44.0
+    - uses: rojopolis/spellcheck-github-actions@0.45.0
       name: Spellcheck
       with:
         source_files: README.md CHANGELOG.md notes/Notes.md
@@ -230,7 +230,7 @@ jobs:
     steps:
     # The checkout step
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.44.0
+    - uses: rojopolis/spellcheck-github-actions@0.45.0
       name: Spellcheck
       with:
         source_files: README.md CHANGELOG.md notes/Notes.md
@@ -317,7 +317,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.44.0
+    - uses: rojopolis/spellcheck-github-actions@0.45.0
       name: Spellcheck
       with:
         config_path: config/.spellcheck.yml # put path to configuration file here
@@ -517,7 +517,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.44.0
+    - uses: rojopolis/spellcheck-github-actions@0.45.0
       name: Spellcheck
       with:
         config_path: .github/spellcheck.yml # <--- put path to configuration file here
@@ -758,7 +758,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.44.0
+    - uses: rojopolis/spellcheck-github-actions@0.45.0
       name: Spellcheck
 ```
 
diff --git a/action.yml b/action.yml
index 3c174557..fb3d1343 100644
--- a/action.yml
+++ b/action.yml
@@ -23,4 +23,4 @@ branding:
   icon: type
 runs:
   using: docker
-  image: 'docker://jonasbn/github-action-spellcheck:0.44.0'
+  image: 'docker://jonasbn/github-action-spellcheck:0.45.0'