diff --git a/test/dotnet/Dockerfile b/test/dotnet/Dockerfile
index a75c534bc1..ab1bc16285 100644
--- a/test/dotnet/Dockerfile
+++ b/test/dotnet/Dockerfile
@@ -70,11 +70,11 @@ RUN set -ex;  \
 FROM base AS testb
 
 # renovate: datasource=dotnet packageName=dotnet-sdk
-RUN install-tool dotnet 8.0.416
+RUN install-tool dotnet 10.0.100
 
 # Test duplicate install
 # renovate: datasource=dotnet packageName=dotnet-sdk
-RUN install-tool dotnet 8.0.416
+RUN install-tool dotnet 10.0.100
 RUN set -ex; dotnet --version | grep 8.0.
 
 USER 12021