diff --git a/.azure-pipelines/azure-pipelines-linux.yml b/.azure-pipelines/azure-pipelines-linux.yml
index 974e878..a20f315 100755
--- a/.azure-pipelines/azure-pipelines-linux.yml
+++ b/.azure-pipelines/azure-pipelines-linux.yml
@@ -15,11 +15,6 @@ jobs:
   timeoutInMinutes: 360
 
   steps:
-  - script: |
-         rm -rf /opt/ghc
-         df -h
-    displayName: Manage disk space
-
   # configure qemu binfmt-misc running.  This allows us to run docker containers
   # embedded qemu-static
   - script: |
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index 71a4242..595f8b5 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -33,9 +33,9 @@ CONDARC
 
 
 mamba install --update-specs --yes --quiet --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3 "py-lief<0.12"
+    conda-build pip boa conda-forge-ci-setup=3
 mamba update --update-specs --yes --quiet --channel conda-forge \
-    conda-build pip boa conda-forge-ci-setup=3 "py-lief<0.12"
+    conda-build pip boa conda-forge-ci-setup=3
 
 # set up the condarc
 setup_conda_rc "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
diff --git a/README.md b/README.md
index 0b71fbc..8c0071b 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,12 @@
-About arcos4py
-==============
+About arcos4py-feedstock
+========================
+
+Feedstock license: [BSD-3-Clause](https://github.com/conda-forge/arcos4py-feedstock/blob/main/LICENSE.txt)
 
 Home: https://github.com/bgraedel/arcos4py
 
 Package license: MIT
 
-Feedstock license: [BSD-3-Clause](https://github.com/conda-forge/arcos4py-feedstock/blob/main/LICENSE.txt)
-
 Summary: A python package to detect collective spatio-temporal phenomena.
 
 Current build status
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 50bcb23..b55f9c0 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "arcos4py" %}
-{% set version = "0.1.6" %}
+{% set version = "0.2.1" %}
 
 package:
   name: {{ name|lower }}
@@ -7,7 +7,7 @@ package:
 
 source:
   url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/arcos4py-{{ version }}.tar.gz
-  sha256: 48dde3328abb197a607251273b6da85bdd5cb48d1a48d2bf5dc844be6bf77993
+  sha256: 3ce8b1181ed7aa1cdd1b17e28ddc93d7b0dfd79f1af294c319f5c27412f69fd4
 
 build:
   noarch: python
@@ -18,19 +18,21 @@ requirements:
   host:
     - pip
     - poetry
-    - python >=3.8,<3.11
+    - python >=3.8,<3.12
   run:
+    - joblib >=1.2.0
+    - kneed >=0.7.0
     - matplotlib-base >=3.3.4
     - mkdocs-material-extensions >=1.0.3,<2.0.0
-    - numpy >=1.21.5
+    - numpy >=1.21.6
     - pandas >=1.3.5
-    - python >=3.8,<3.11
-    - scikit-learn >=1.0.2
+    - pulp >=2.7.0,<3.0.0
+    - python >=3.8,<3.12
+    - scikit-image >=0.21.0,<0.22.0
+    - scikit-learn >=1.3.0
     - scipy >=1.7.3
     - seaborn >=0.11.2,<0.12.0
-    - joblib >=1.2.0
     - tqdm >=4.64.1
-    - kneed >=0.7.0
 
 test:
   imports:
@@ -46,6 +48,7 @@ about:
   summary: A python package to detect collective spatio-temporal phenomena.
   license: MIT
   license_file: LICENSE
+  dev_url: https://github.com/bgraedel/arcos4py
 
 extra:
   recipe-maintainers: