diff --git a/windows/Dockerfile b/windows/Dockerfile
index 567e560..c04656e 100644
--- a/windows/Dockerfile
+++ b/windows/Dockerfile
@@ -34,8 +34,8 @@ RUN `
 RUN `
     curl -fSLO https://dotnet.microsoft.com/download/dotnet/scripts/v1/dotnet-install.ps1 `
     && powershell .\dotnet-install.ps1 -Channel 6.0 -InstallDir "\"C:\Program Files\dotnet\\"" `
-    && powershell .\dotnet-install.ps1 -Channel 7.0 -InstallDir "\"C:\Program Files\dotnet\\"" `
     && powershell .\dotnet-install.ps1 -Channel 8.0 -InstallDir "\"C:\Program Files\dotnet\\"" `
+    && powershell .\dotnet-install.ps1 -Channel 9.0 -InstallDir "\"C:\Program Files\dotnet\\"" `
     && del dotnet-install.ps1
 
 WORKDIR /actions-runner