diff --git a/.github/workflows/snake.yml b/.github/workflows/snake.yml
index 133cfd2..81cac1d 100644
--- a/.github/workflows/snake.yml
+++ b/.github/workflows/snake.yml
@@ -16,8 +16,8 @@ jobs:
         submodules: recursive
     - name: install packages
       run: sudo apt-get update && sudo apt-get install -y zlib1g-dev gcc python3 python3-pip && pip3 install setuptools cython numpy
-    - name: slow5lib-dev
-      run: git clone -b dev https://github.com/hasindu2008/slow5lib && cd slow5lib && python3 setup.py install --user && cd ..
+    - name: slow5lib
+      run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib && python3 setup.py install --user && cd ..
     - name: install
       run:  python3 setup.py install --user && blue-crab --help
     - name: test
@@ -31,8 +31,8 @@ jobs:
         submodules: recursive
     - name: install packages
       run: sudo apt-get update && sudo apt-get install -y zlib1g-dev gcc python3 python3-pip && pip3 install setuptools cython numpy
-    - name: slow5lib-dev
-      run: git clone -b dev https://github.com/hasindu2008/slow5lib && cd slow5lib && python3 setup.py install --user && cd ..
+    - name: slow5lib
+      run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib && python3 setup.py install --user && cd ..
     - name: install
       run:  python3 setup.py install --user && blue-crab --help
     - name: test
@@ -46,45 +46,45 @@ jobs:
         submodules: recursive
     - name: install packages
       run: sudo apt-get update && sudo apt-get install -y zlib1g-dev gcc python3 python3-pip && pip3 install --break-system-packages setuptools cython numpy
-    - name: slow5lib-dev
-      run: git clone -b dev https://github.com/hasindu2008/slow5lib && cd slow5lib && python3 setup.py install --user && cd ..
+    - name: slow5lib
+      run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib && python3 setup.py install --user && cd ..
     - name: install
       run:  python3 setup.py install --user && blue-crab --help
     - name: test
       run: test/test.sh
-  # arm64:
-  #   name: pyslow5 ubuntu arm
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #   - run: docker run --rm --privileged multiarch/qemu-user-static:register --reset
-  #   - uses: docker://multiarch/ubuntu-core:arm64-focal
-  #     with:
-  #       args: 'uname -a'
-  #   - uses: actions/checkout@v1
-  #   - uses: docker://multiarch/ubuntu-core:arm64-focal
-  #     with:
-  #       args: >
-  #         bash -c "apt-get update &&
-  #         apt-get install -y zlib1g-dev gcc make python3 python3-pip git wget &&
-  #         pip3 install setuptools cython numpy &&
-  #         ldd --version && gcc --version && python3 --version &&
-  #         git clone -b dev https://github.com/hasindu2008/slow5lib && cd slow5lib && python3 setup.py install && cd .. &&
-  #         python3 setup.py install && blue-crab --help && test/test.sh"
-  # os_x_11:
-  #   name: macos-11
-  #   runs-on: macos-11
-  #   steps:
-  #   - uses: actions/checkout@v2
-  #     with:
-  #       submodules: recursive
-  #   - name: install packages
-  #     run: pip3 install numpy
-  #   - name: slow5lib-dev
-  #     run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib && pip3 install . && cd ..
-  #   - name: install
-  #     run:  pip3 install . && blue-crab --help
-  #   - name: test
-  #     run: test/test.sh
+  arm64:
+    name: pyslow5 ubuntu arm
+    runs-on: ubuntu-latest
+    steps:
+    - run: docker run --rm --privileged multiarch/qemu-user-static:register --reset
+    - uses: docker://multiarch/ubuntu-core:arm64-focal
+      with:
+        args: 'uname -a'
+    - uses: actions/checkout@v1
+    - uses: docker://multiarch/ubuntu-core:arm64-focal
+      with:
+        args: >
+          bash -c "apt-get update &&
+          apt-get install -y zlib1g-dev gcc make python3 python3-pip git wget &&
+          pip3 install setuptools cython numpy &&
+          ldd --version && gcc --version && python3 --version &&
+          git clone https://github.com/hasindu2008/slow5lib && cd slow5lib && pip3 install . && cd .. &&
+          pip3 install --upgrade pip && pip3 install .  && blue-crab --help && test/test.sh"
+  os_x_11:
+    name: macos-11
+    runs-on: macos-11
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+    - name: install packages
+      run: pip3 install numpy
+    - name: slow5lib
+      run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib && pip3 install . && cd ..
+    - name: install
+      run:  pip3 install . && blue-crab --help
+    - name: test
+      run: test/test.sh
   os_x_12:
     name: macos-12
     runs-on: macos-12
@@ -94,7 +94,7 @@ jobs:
         submodules: recursive
     - name: install packages
       run: pip3 install numpy
-    - name: slow5lib-dev
+    - name: slow5lib
       run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib  && pip3 install . && cd ..
     - name: install
       run:  pip3 install . && blue-crab --help
@@ -109,7 +109,7 @@ jobs:
         submodules: recursive
     - name: install packages
       run: pip3 install numpy
-    - name: slow5lib-dev
+    - name: slow5lib
       run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib  && pip3 install . && cd ..
     - name: install
       run:  pip3 install . && blue-crab --help
@@ -124,7 +124,7 @@ jobs:
         submodules: recursive
     - name: install packages
       run: pip3 install --break-system-packages numpy
-    - name: slow5lib-dev
+    - name: slow5lib
       run: git clone https://github.com/hasindu2008/slow5lib && cd slow5lib  && pip3 install --break-system-packages . && cd ..
     - name: install
       run:  pip3 install --break-system-packages . && blue-crab --help