diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bb05eab..0c9c742 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,6 +6,7 @@ on:
       - main
     tags:
       - '*'
+      
 jobs:
  test:
     runs-on: ubuntu-latest
diff --git a/.readthedocs.yml b/.readthedocs.yml
deleted file mode 100644
index 3008296..0000000
--- a/.readthedocs.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-# .readthedocs.yml
-# Read the Docs configuration file
-# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
-
-# Required
-version: 2
-
-# Build documentation in the docs/ directory with Sphinx
-sphinx:
-  configuration: docs/source/conf.py
-
-# Build documentation with MkDocs
-#mkdocs:
-#  configuration: mkdocs.yml
-
-# Optionally build your docs in additional formats such as PDF and ePub
-formats: 
-  - pdf
-
-# Optionally set the version of Python and requirements required to build your docs
-python:
-  version: 3.7
-  install:
-    - requirements: docs/requirements.txt
\ No newline at end of file
diff --git a/CITATION.cff b/CITATION.cff
new file mode 100644
index 0000000..4d7c4c3
--- /dev/null
+++ b/CITATION.cff
@@ -0,0 +1,34 @@
+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+- family-names: "Oarga"
+  given-names: "Alexandru"
+- family-names: "Bannerman"
+  given-names: "Bridget P"
+- family-names: "Júlvez"
+  given-names: "Jorge"
+title: "CONTRABASS: exploiting flux constraints in genome-scale models for the detection of vulnerabilities"
+version: 0.2.1
+doi: 10.1093/bioinformatics/btad053
+date-released: 2023-02-02
+url: "https://doi.org/10.1093/bioinformatics/btad053"
+preferred-citation:
+  type: article
+  authors:
+  - family-names: "Oarga"
+    given-names: "Alexandru"
+  - family-names: "Bannerman"
+    given-names: "Bridget P"
+  - family-names: "Júlvez"
+    given-names: "Jorge"
+  doi: "10.1093/bioinformatics/btad053"
+  journal: "Bioinformatics"
+  month: 2
+  start: "btad053"
+  end: "btad053"
+  title: "CONTRABASS: exploiting flux constraints in genome-scale models for the detection of vulnerabilities"
+  issue: 2
+  volume: 39
+  year: 2023
+  publisher: "Oxford University Press"
+
diff --git a/docs/requirements.txt b/docs/requirements.txt
deleted file mode 100644
index f958a8a..0000000
--- a/docs/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-sphinx_rtd_theme
-sphinx>=1.4
-nbsphinx
-ipykernel
-myst-parser
diff --git a/requirements.txt b/requirements.txt
index e1f1bee..99fb62f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,7 @@ mpmath
 numpy>=1.16.5
 optlang>=1.4.2
 pandas>=0.17.0
+pipdeptree==0.13.1
 python-dateutil
 python-libsbml
 python-libsbml-experimental==5.18.0
diff --git a/test/requirements.txt b/test/requirements.txt
index e40a357..3a85744 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -8,7 +8,7 @@ mpmath
 numpy>=1.16.5
 optlang>=1.4.2
 pandas>=0.17.0
-pipdeptree
+pipdeptree==0.13.1
 python-dateutil
 python-libsbml
 python-libsbml-experimental==5.18.0