diff --git a/.drone.yml b/.drone.yml
index 0a0d422..fe09e7f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -15,6 +15,10 @@ steps:
     environment:
       EXCLUDE: "(.exe|.dll|.ico|.gitkeep)"
     commands:
+      - |
+        apt-get update
+        apt-get install -y file
+
       - |
         pwsh -NonInteractive -c "& {
           Import-Module './tools/DevDependency.psm1' -ErrorAction 'Stop';
@@ -39,6 +43,10 @@ steps:
     image: mcr.microsoft.com/dotnet/sdk:6.0-focal
     failure: ignore
     commands:
+      - |
+        apt-get update
+        apt-get install -y file
+
       - |
         pwsh -NonInteractive -c "& {
           Import-Module './tools/DevDependency.psm1' -ErrorAction 'Stop';