diff --git a/.github/workflows/build-project.yml b/.github/workflows/build-project.yml
index 26e61cf2..c70005a4 100644
--- a/.github/workflows/build-project.yml
+++ b/.github/workflows/build-project.yml
@@ -42,6 +42,7 @@ jobs:
           pip3 install crcengine
           pip3 install pyinstaller
           pip3 install ujson
+          pip3 install pyserial
 
       #- name: Build Hamlib Python Binding
       #  if: matrix.os == 'ubuntu-latest'