diff --git a/images/ubuntu/scripts/build/install-dotnetcore-sdk.sh b/images/ubuntu/scripts/build/install-dotnetcore-sdk.sh
index 0493c03b6..52cf3b56c 100644
--- a/images/ubuntu/scripts/build/install-dotnetcore-sdk.sh
+++ b/images/ubuntu/scripts/build/install-dotnetcore-sdk.sh
@@ -47,7 +47,7 @@ for version in ${dotnet_versions[@]}; do
     sdks=("${sdks[@]}" $(echo "${releases}" | jq -r '.releases[].sdks[]?.version | select(contains("preview") or contains("rc") | not)'))
 done
 
-sorted_sdks=$(echo ${sdks[@]} | tr ' ' '\n' | sort -r | uniq -w 5)
+sorted_sdks=$(echo ${sdks[@]} | tr ' ' '\n' | sort -rV | awk -F'.' '!seen[$1"."$2"."int($3/100)]++' )
 
 # Issue https://github.com/actions/runner-images/issues/13705
 # Workaround for broken .NET SDK 10.0.103 - replace it with .NET SDK 10.0.102