diff --git a/.github/docker/Dockerfile.dotnetrestore b/.github/docker/Dockerfile.dotnetrestore
index bb1e84af9..cd6cc66d8 100644
--- a/.github/docker/Dockerfile.dotnetrestore
+++ b/.github/docker/Dockerfile.dotnetrestore
@@ -1,3 +1,3 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0.420-bookworm-slim@sha256:27ee23dc62a99643cfab2dc291582b6f2611ddc2598a0ff0958ddd0972012e52
+FROM mcr.microsoft.com/dotnet/sdk:8.0.421-bookworm-slim@sha256:ebecce75fb42c4c14db108f88054d20a93b0b9e6dfbacad56c8f744c342cf9ef
 
 CMD echo this is a dummy file used to automate dependency upgrades for plugins