diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c2d82f..d8e764c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,16 +11,20 @@ on:
 jobs:
   linux:
     runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        python-version: ['3.8', '3.9']
     defaults:
       run:
         shell: bash -l {0}
+    name: Linux py ${{ matrix.python-version }} tests
     steps:
       - uses: actions/checkout@v2
       - uses: conda-incubator/setup-miniconda@v2
         with:
           activate-environment: delfta
           environment-file: environment.yml
-          python-version: 3.7
+          python-version: ${{ matrix.python-version }}
           auto-activate-base: false
       - run: |
           conda info
@@ -37,29 +41,3 @@ jobs:
       - run: |
           pytest --cov=delfta --cov-config=.coveragerc --cov-report=xml tests/
           ./codecov -t ${{ secrets.CODECOV_TOKEN }}
-
-  macos:
-    runs-on: "macos-latest"
-    defaults:
-      run:
-        shell: bash -l {0}
-    steps:
-      - uses: actions/checkout@v2
-      - uses: conda-incubator/setup-miniconda@v2
-        with:
-          activate-environment: delfta
-          environment-file: environment_osx.yml
-          python-version: 3.7
-          auto-activate-base: false
-      - run: |
-          conda info
-          pip install pytest
-        name: set pythonpath
-      - run: |
-          echo "PYTHONPATH=/Users/runner/work/delfta/delfta" >> $GITHUB_ENV
-        name: download files
-      - run: |
-          python delfta/download.py --tests
-        name: test
-      - run: |
-          pytest
diff --git a/.github/workflows/conda.yml b/.github/workflows/conda.yml
index 88ff130..be1d64e 100644
--- a/.github/workflows/conda.yml
+++ b/.github/workflows/conda.yml
@@ -8,6 +8,9 @@ on:
 jobs:
   linux:
     runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        python-version: ['3.8', '3.9']
     defaults:
       run:
         shell: bash -l {0}
@@ -18,29 +21,9 @@ jobs:
           activate-environment: delfta
           environment-file: environment.yml
           condarc-file: conda-recipe/.condarc
-          python-version: 3.7
+          python-version: ${{ matrix.python-version }}
           auto-activate-base: false
       - run: |
           conda info
           conda install conda-build anaconda-client --yes
           cd conda-recipe && pkgs=$(conda build . | grep 'TEST START' | awk '{print $3}') && for pkg in $pkgs;do anaconda -t ${{ secrets.CONDA_TOKEN }} upload -u delfta $pkg; done
-
-  macos:
-    runs-on: "macos-latest"
-    defaults:
-      run:
-        shell: bash -l {0}
-    steps:
-      - uses: actions/checkout@v2
-      - uses: conda-incubator/setup-miniconda@v2
-        with:
-          activate-environment: delfta
-          environment-file: environment_osx.yml
-          condarc-file: conda-recipe/.condarc
-          python-version: 3.7
-          auto-activate-base: false
-      - run: |
-          conda info
-          conda install conda-build anaconda-client --yes
-          cd conda-recipe && pkgs=$(conda build . | grep 'TEST START' | awk '{print $3}') && for pkg in $pkgs;do anaconda -t ${{ secrets.CONDA_TOKEN }} upload -u delfta $pkg; done
-
diff --git a/README.md b/README.md
index c475c2d..311502d 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ The DelFTa application is an easy-to-use, open-source toolbox for predicting qua
 
 ## Installation
 
-While the Linux (and Windows, through WSL) installations fully support GPU-acceleration via cudatoolkit, only CPU inference is currently available under Mac OS. We currently support Python 3.7 and 3.8 builds.
+We currently only support Python 3.8 and 3.9 Linux builds.
 
 ### Installation via conda
 
diff --git a/conda-recipe/conda_build_config.yaml b/conda-recipe/conda_build_config.yaml
index 8ac04d6..5a0ba56 100644
--- a/conda-recipe/conda_build_config.yaml
+++ b/conda-recipe/conda_build_config.yaml
@@ -1,3 +1,3 @@
 python:
-    - 3.7
     - 3.8
+    - 3.9
diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
index 9e42e17..8b0b8f3 100644
--- a/conda-recipe/meta.yaml
+++ b/conda-recipe/meta.yaml
@@ -1,6 +1,6 @@
 package:
   name: "delfta"
-  version: "1.0.0"
+  version: "1.0.1"
 
 source:
   path: ../
diff --git a/docs/.readthedocs.yaml b/docs/.readthedocs.yaml
new file mode 100644
index 0000000..db1fd80
--- /dev/null
+++ b/docs/.readthedocs.yaml
@@ -0,0 +1,9 @@
+version: 2
+
+build:
+  os: "ubuntu-20.04"
+  tools:
+    python: "mambaforge-4.10"
+
+conda:
+  environment: environment.yml
diff --git a/environment.yml b/environment.yml
index eccd4fb..aac09d7 100644
--- a/environment.yml
+++ b/environment.yml
@@ -10,7 +10,6 @@ dependencies:
   - numpy=1.19.2
   - pandas=1.1.3
   - pip=20.2.4
-  - python=3.7.4
   - scikit-learn=0.23.2
   - scipy=1.5.2
   - tqdm=4.51.0
diff --git a/environment_osx.yml b/environment_osx.yml
deleted file mode 100644
index 3e2c76f..0000000
--- a/environment_osx.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: delfta
-channels:
-  - pytorch
-  - defaults
-  - rusty1s
-  - conda-forge
-dependencies:
-  - joblib=1.0.1
-  - matplotlib=3.3.2
-  - numpy=1.19.2
-  - pandas=1.1.3
-  - pip=20.2.4
-  - python=3.7.4
-  - scikit-learn=0.23.2
-  - scipy=1.5.2
-  - tqdm=4.51.0
-  - pytorch=1.8.0
-  - pytorch-geometric=1.7.2
-  - openbabel=3.1.1
-  - h5py=3.2.1
-  - xtb=6.4.1
-  - pip:
-    - ase==3.21.1
-    - einops==0.3.0
-    - networkx==2.5