diff --git a/prepare-challenge.sh b/prepare-challenge.sh
index f407297..e65bf32 100755
--- a/prepare-challenge.sh
+++ b/prepare-challenge.sh
@@ -4,4 +4,5 @@ EXPORT_DIR="challenge"
 mkdir -p $EXPORT_DIR
 cargo build --release --locked
 cp ./target/release/timars $EXPORT_DIR/timars
+strip $EXPORT_DIR/timars
 cp CHALLENGE-NOTES.txt $EXPORT_DIR/notes.txt