diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4ccfbc6..e054337 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,6 +18,7 @@ jobs:
       - name: Install requirements
         run: |
           pip install -r requirements.txt
+          pip install -r PyInstaller
       - name: Run PyInstaller
         run: |
           python -m PyInstaller epson_print_conf.spec -- --default