diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index eff90973..c2c8cfd2 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -19,7 +19,7 @@ jobs:
             - os: macos-latest
               python-version: "3.13"
             - os: windows-latest
-              python-version: "3.11"
+              python-version: "3.13"
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
@@ -36,6 +36,10 @@ jobs:
       - name: Install ffmpeg (for Whisper)
         if: runner.os != 'macOS'
         uses: FedericoCarboni/setup-ffmpeg@v3
+      - name: Install standard-aifc on Python 3.13
+        if: matrix.python-version == '3.13'
+        run: |
+          python -m pip install standard-aifc
       - name: Install Python dependencies (Ubuntu, <=3.12)
         if: runner.os == 'Linux' && matrix.python-version != '3.13'
         run: |
@@ -43,18 +47,18 @@ jobs:
       - name: Install Python dependencies (Ubuntu, 3.13)
         if: runner.os == 'Linux' && matrix.python-version == '3.13'
         run: |
-          python -m pip install standard-aifc setuptools
+          python -m pip install setuptools
           python -m pip install --no-build-isolation .[dev,audio,pocketsphinx,whisper-api]
       - name: Install Python dependencies (macOS, 3.13)
         if: runner.os == 'macOS'
         run: |
           brew install portaudio
-          python -m pip install pocketsphinx standard-aifc setuptools
+          python -m pip install pocketsphinx setuptools
           python -m pip install --no-build-isolation .[dev,audio,whisper-api]      
       - name: Install Python dependencies (Windows)
         if: runner.os == 'Windows'
         run: |
-          python -m pip install .[dev,whisper-local,whisper-api]
+          python -m pip install standard-aifc .[dev,whisper-local,whisper-api]
       - name: Test with unittest
         run: |
           pytest --doctest-modules --strict -v -W="ignore: aifc" speech_recognition/recognizers/ tests/