diff --git a/.woodpecker/build.yaml b/.woodpecker/build.yaml
index 6afcb26..1db1e3f 100644
--- a/.woodpecker/build.yaml
+++ b/.woodpecker/build.yaml
@@ -5,7 +5,7 @@ steps:
   # Clone the pinned upstream jellyfin-ha source and publish the .NET server
   # into ./publish-output (consumed by Dockerfile.runtime).
   - name: publish
-    image: mcr.microsoft.com/dotnet/sdk:10.0
+    image: mcr.microsoft.com/dotnet/sdk:9.0
     commands:
       - |
         REF=$$(cat UPSTREAM_REF)
diff --git a/.woodpecker/docker.yaml b/.woodpecker/docker.yaml
index f45b536..e611658 100644
--- a/.woodpecker/docker.yaml
+++ b/.woodpecker/docker.yaml
@@ -5,7 +5,7 @@ when:
 steps:
   # Same publish step as the PR pipeline: clone pinned upstream + dotnet publish.
   - name: publish
-    image: mcr.microsoft.com/dotnet/sdk:10.0
+    image: mcr.microsoft.com/dotnet/sdk:9.0
     commands:
       - |
         REF=$$(cat UPSTREAM_REF)