diff --git a/eng/build.sh b/eng/build.sh
index a4178b812019583ed2463bf3e97eb937005a4f5c..1a5383ab23e201dafd1d80bf58c2a176fd4b80ec 100755
--- a/eng/build.sh
+++ b/eng/build.sh
@@ -214,6 +214,12 @@ function BuildSolution {
     enable_analyzers=false
   fi
 
+  # NuGet often exceeds the limit of open files on Mac and Linux
+  # https://github.com/NuGet/Home/issues/2163
+  if [[ "$UNAME" == "Darwin" || "$UNAME" == "Linux" ]]; then
+    ulimit -n 6500
+  fi
+
   local quiet_restore=""
   if [[ "$ci" != true ]]; then
     quiet_restore=true