diff --git a/ci/testnet-sanity.sh b/ci/testnet-sanity.sh
index a9be67ecb5..d70f9ebe27 100755
--- a/ci/testnet-sanity.sh
+++ b/ci/testnet-sanity.sh
@@ -44,23 +44,22 @@ else
   )
 fi
 
-# TODO: sanity test with validator
-# echo "--- $NET_URL: validator sanity"
-# (
-#   export USE_SNAP=1
-#   ./multinode-demo/setup.sh -t validator
-#   set -e pipefail
-#   timeout 10s ./multinode-demo/validator.sh "$NET_URL" 2>&1 | tee log
-# )
-#
-# (
-#   set +e
-#   panic=$(timeout 10s tail -f /var/snap/solana/current/validator/current | grep -C100 panic)
-#
-#   if [[ -n $panic ]]; then
-#       echo Panic observed: "$panic"
-#       exit 1
-#   fi
-# )
+echo "--- $NET_URL: validator sanity"
+(
+  export USE_SNAP=1
+  ./multinode-demo/setup.sh -t validator
+  set -e pipefail
+  timeout 10s ./multinode-demo/validator.sh "$NET_URL" 2>&1 | tee log
+)
+
+(
+  set +e
+  panic=$(timeout 10s tail -f /var/snap/solana/current/validator/current | grep -C100 panic)
+
+  if [[ -n $panic ]]; then
+      echo Panic observed: "$panic"
+      exit 1
+  fi
+)
 
 exit 0