diff --git a/.github/workflows/deploy-dockerhub-description.yml b/.github/workflows/deploy-dockerhub-description.yml
new file mode 100644
index 0000000..64a70fa
--- /dev/null
+++ b/.github/workflows/deploy-dockerhub-description.yml
@@ -0,0 +1,20 @@
+name: Deploy dockerhub description
+
+permissions: read-all
+on: release
+
+jobs:
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3.5.3
+
+      - name: Update DockerHub description
+        uses: peter-evans/dockerhub-description@v3.4.2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+          repository: matejkosiarcik/planckpng
+          short-description: ${{ github.event.repository.description }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f5be12..2344b61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,9 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## \[Unreleased\]
 
+## \[0.3.1\] - 2023-06-20
+
 - Miscellaneous
   - Update dependencies
   - Do not publish `:dev` tag for "trunk" releases (only `:edge`)
+  - Update DockerHub description automatically
 
 ## \[0.3.0\] - 2023-06-20
 
diff --git a/src/main.py b/src/main.py
index 7d41fca..82b1ebd 100644
--- a/src/main.py
+++ b/src/main.py
@@ -206,7 +206,7 @@ def main(argv: List[str]):
 
     # parse arguments
     parser = argparse.ArgumentParser(prog="planckpng")
-    parser.add_argument("-V", "--version", action="version", version="%(prog)s 0.3.0")
+    parser.add_argument("-V", "--version", action="version", version="%(prog)s 0.3.1")
     parser.add_argument(
         "-l",
         "--level",