diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 9fb5c70..33848f7 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   docs:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
 
diff --git a/.github/workflows/sphinx-build.yml b/.github/workflows/sphinx-build.yml
index 52f38bd..ca34833 100644
--- a/.github/workflows/sphinx-build.yml
+++ b/.github/workflows/sphinx-build.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   docs:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
 
diff --git a/pina/meta.py b/pina/meta.py
index f0b3622..9be7132 100644
--- a/pina/meta.py
+++ b/pina/meta.py
@@ -14,7 +14,7 @@ __title__ = "pina"
 __author__ = "Nicola Demo, Maria Strazzullo"
 __copyright__ = "Copyright 2021-2021, PINA contributors"
 __license__ = "MIT"
-__version__ = "0.0.2"
+__version__ = "0.0.2.dev0"
 __mail__ = 'demo.nicola@gmail.com, '  # TODO
 __maintainer__ = __author__
 __status__ = "Alpha"