diff --git a/.github/workflows/markdown.yaml b/.github/workflows/markdown.yaml
index 95d3959..19b5e5f 100644
--- a/.github/workflows/markdown.yaml
+++ b/.github/workflows/markdown.yaml
@@ -8,6 +8,10 @@ on:
       - '**/*.md'
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+
 jobs:
   none-shall-pass:
     runs-on: thevickypedia-lite
diff --git a/.github/workflows/python-publish.yaml b/.github/workflows/python-publish.yaml
index da45954..a35b254 100644
--- a/.github/workflows/python-publish.yaml
+++ b/.github/workflows/python-publish.yaml
@@ -20,6 +20,10 @@ on:
           - "true"
           - "false"
 
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+
 jobs:
   pypi-publisher:
     runs-on: thevickypedia-lite
diff --git a/pyninja/version.py b/pyninja/version.py
index 89e9150..3dc1f76 100644
--- a/pyninja/version.py
+++ b/pyninja/version.py
@@ -1 +1 @@
-__version__ = "0.1.0-alpha"
+__version__ = "0.1.0"