diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index cfbd390..acad88d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -4,71 +4,74 @@ name: deploy-book
 on:
   push:
     branches:
-    - main
+      - main
 
 # This job installs dependencies, build the book, and pushes it to `gh-pages`
 jobs:
   deploy-book:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+      - uses: actions/checkout@v3
 
-    # Install dependencies
-    - name: Setup Miniconda
-      uses: conda-incubator/setup-miniconda@v2
-      with:
-        activate-environment: phys139
-        environment-file: notebooks/environment.yml
-        python-version: 3.9
-        auto-activate-base: false
+      # Install dependencies
+      - name: Setup Miniconda
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          miniforge-version: latest
+          use-mamba: true
+          channels: conda-forge
+          activate-environment: phys139
+          environment-file: notebooks/environment.yml
+          python-version: 3.10.10
+          auto-activate-base: false
 
-    # Check dependencies
-    - name: Check Miniconda
-      shell: bash -l {0}
-      run: |
-        conda info
-        conda list
-        conda config --show-sources
-        conda config --show
-        printenv | sort
+      # Check dependencies
+      - name: Check Miniconda
+        shell: bash -l {0}
+        run: |
+          conda info
+          conda list
+          conda config --show-sources
+          conda config --show
+          printenv | sort
 
-    - name: Build the book
-      shell: bash -l {0}
-      run: |
-        jupyter contrib nbextension install --user
-        jupyter nbextension enable --py widgetsnbextension
-        jupyter-book build notebooks
+      - name: Build the book
+        shell: bash -l {0}
+        run: |
+          jupyter contrib nbextension install --user
+          jupyter nbextension enable --py widgetsnbextension
+          jupyter-book build notebooks
 
-    - name: Compile LaTeX
-      uses: docker://xucheng/texlive-full:latest
-      with:
-        entrypoint: /bin/sh
-        args: |
-          -c "\
-          cd syllabus && \
-          latexmk && \
-          cd ../homeworks/homework_1 && \
-          pdflatex homework_1 && \
-          cd ../homework_2 && \
-          pdflatex homework_2 && \
-          cd ../homework_3 && \
-          pdflatex homework_3 && \
-          cd ../homework_4 && \
-          pdflatex homework_4"
+      - name: Compile LaTeX
+        uses: docker://xucheng/texlive-full:latest
+        with:
+          entrypoint: /bin/sh
+          args: |
+            -c "\
+            cd syllabus && \
+            latexmk && \
+            cd ../homeworks/homework_1 && \
+            pdflatex homework_1 && \
+            cd ../homework_2 && \
+            pdflatex homework_2 && \
+            cd ../homework_3 && \
+            pdflatex homework_3 && \
+            cd ../homework_4 && \
+            pdflatex homework_4"
 
-    - name: Copy syllabus and homework for deployment
-      run: |
-        cp syllabus/syllabus.pdf notebooks/_build/html/syllabus.pdf && \
-        cp homeworks/homework_1/homework_1.pdf notebooks/_build/html/homework_1.pdf && \
-        cp homeworks/homework_2/homework_2.pdf notebooks/_build/html/homework_2.pdf && \
-        cp homeworks/homework_3/homework_3.pdf notebooks/_build/html/homework_3.pdf && \
-        cp homeworks/homework_4/homework_4.pdf notebooks/_build/html/homework_4.pdf
+      - name: Copy syllabus and homework for deployment
+        run: |
+          cp syllabus/syllabus.pdf notebooks/_build/html/syllabus.pdf && \
+          cp homeworks/homework_1/homework_1.pdf notebooks/_build/html/homework_1.pdf && \
+          cp homeworks/homework_2/homework_2.pdf notebooks/_build/html/homework_2.pdf && \
+          cp homeworks/homework_3/homework_3.pdf notebooks/_build/html/homework_3.pdf && \
+          cp homeworks/homework_4/homework_4.pdf notebooks/_build/html/homework_4.pdf
 
-    - name: GitHub Pages action
-      uses: peaceiris/actions-gh-pages@v3.9.0
-      with:
-        github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: notebooks/_build/html
-        force_orphan: true
-        user_name: 'github-actions[bot]'
-        user_email: 'github-actions[bot]@users.noreply.github.com'
+      - name: GitHub Pages action
+        uses: peaceiris/actions-gh-pages@v3.9.3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: notebooks/_build/html
+          force_orphan: true
+          user_name: "github-actions[bot]"
+          user_email: "github-actions[bot]@users.noreply.github.com"
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 05e3e25..bdf15bb 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -3,29 +3,24 @@ name: build-and-push
 on:
   push:
     branches:
-      - 'main'
+      - "main"
 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v2
-      -
-        name: Set up QEMU
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
-      -
-        name: Set up Docker Buildx
+      - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
-      -
-        name: Login to DockerHub
+      - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      -
-        name: Build and push
+      - name: Build and push
         uses: docker/build-push-action@v2
         with:
           context: .