diff --git a/.github/workflows/test-on-rpi.yml b/.github/workflows/test-on-rpi.yml
index 467ec57..a63f17d 100644
--- a/.github/workflows/test-on-rpi.yml
+++ b/.github/workflows/test-on-rpi.yml
@@ -42,7 +42,7 @@ jobs:
             sudo apt-get update -y
             python --version
             sudo apt-get install -y python3-pip
-            sudo apt-get install zlib1g libjpeg-dev libatlas-base-dev rustc libopenjp2-7 python3-dev scons libssl-dev python3-venv python3-pip git libfreetype6-dev -y
+            sudo apt-get install libopenblas-base zlib1g libjpeg-dev libatlas-base-dev rustc libopenjp2-7 python3-dev scons libssl-dev python3-venv python3-pip git libfreetype6-dev -y
             echo $PWD && ls
             git clone --branch main --single-branch https://github.com/aceinnolab/Inkycal
             cd Inkycal