diff --git a/linux/Dockerfile b/linux/Dockerfile
index a78ba11..4840b25 100644
--- a/linux/Dockerfile
+++ b/linux/Dockerfile
@@ -3,9 +3,9 @@ FROM summerwind/actions-runner:ubuntu-22.04
 RUN curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash \
   && sudo rm -rf /var/lib/apt/lists/*
 
-RUN sudo curl -sLO https://github.com/PowerShell/PowerShell/releases/download/v7.3.9/powershell_7.3.9-1.deb_amd64.deb \
-  && (sudo dpkg -i powershell_7.3.9-1.deb_amd64.deb; sudo apt-get install -f) \
-  && sudo rm powershell_7.3.9-1.deb_amd64.deb
+RUN sudo curl -sLO https://github.com/PowerShell/PowerShell/releases/download/v7.4.2/powershell_7.4.2-1.deb_amd64.deb \
+  && (sudo dpkg -i powershell_7.4.2-1.deb_amd64.deb; sudo apt-get install -f) \
+  && sudo rm powershell_7.4.2-1.deb_amd64.deb
 
 RUN sudo apt-get update \
   && sudo apt-get install -y \