diff --git a/eng/build.sh b/eng/build.sh
index 49f9183bdf70d..b7e134cfc2c04 100755
--- a/eng/build.sh
+++ b/eng/build.sh
@@ -21,6 +21,7 @@ usage()
   echo "  --rebuild                  Rebuild all projects"
   echo "  --pack                     Build nuget packages"
   echo "  --publish                  Publish build artifacts"
+  echo "  --sign                     Sign build artifacts"
   echo "  --help                     Print help and exit"
   echo ""
   echo "Test actions:"
@@ -58,6 +59,7 @@ restore=false
 build=false
 rebuild=false
 pack=false
+sign=false
 publish=false
 test_core_clr=false
 test_mono=false
@@ -124,6 +126,9 @@ while [[ $# > 0 ]]; do
     --publish)
       publish=true
       ;;
+    --sign)
+      sign=true
+      ;;
     --testcoreclr|--test|-t)
       test_core_clr=true
       ;;
@@ -300,6 +305,7 @@ function BuildSolution {
     /p:Test=$test \
     /p:Pack=$pack \
     /p:Publish=$publish \
+    /p:Sign=$sign \
     /p:RunAnalyzersDuringBuild=$run_analyzers \
     /p:RestoreUseStaticGraphEvaluation=$restoreUseStaticGraphEvaluation \
     /p:BootstrapBuildPath="$bootstrap_dir" \