diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 0fd5f35..58892a2 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -12,6 +12,9 @@ jobs:
 
         steps:
 
+        - name: Checkout code
+          uses: actions/checkout@v4
+
         - name: Checkout horusdemodlib
           uses: actions/checkout@v4
           with:
@@ -27,9 +30,6 @@ jobs:
             cmake .. -G "MinGW Makefiles"
             mingw32-make
 
-        - name: Checkout code
-          uses: actions/checkout@v4
-
         - uses: actions/setup-python@v5
           with:
             python-version: '3.7'
@@ -40,3 +40,18 @@ jobs:
 
         - name: Install other dependencies
           run: pip install -r requirements.txt
+
+        - name: Install pyinstaller
+          run: pip install pyinstaller
+
+        - name: Prep file locations
+          shell: bash
+          run: |
+            mkdir -p dist
+            cp horusdemodlib/build/src/libhorus.dll .
+            cp "C:\Program Files\Git\mingw64\bin\libgcc_s_seh-1.dll" .
+            cp "C:\Program Files\Git\mingw64\bin\libstdc++-6.dll" .
+            cp "C:\Program Files\Git\mingw64\bin\libwinpthread-1.dll" .
+
+        - name: Run pyinstaller
+          run: pyinstaller horus-gui_win.spec