diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4cfa4d4..60e6717 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,6 +23,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        sed -i '$a pyinstaller' requirements.txt
         pip install -r requirements.txt
 
     - name: Test number_perser.get_number
@@ -71,6 +72,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        sed -i '$a pyinstaller' requirements.txt
         pip install -r requirements.txt
 
     - name: Test number_perser.get_number
@@ -119,6 +121,9 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
+        sed -i '' '$a\
+        pyinstaller
+        ' requirements.txt
         pip install -r requirements.txt
 
     - name: Test number_perser.get_number