diff --git a/Dockerfile b/Dockerfile
index 00439ef..944fd04 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -93,7 +93,7 @@ RUN apt-get update -y && \
 # Install .NET
 
 # renovate: datasource=github-tags depName=dotnet/sdk extractVersion=^v(?<version>.*)$
-ENV DOTNET_VERSION=6.0.419
+ENV DOTNET_VERSION=6.0.420
 
 ENV \
     # Do not show first run text