diff --git a/test.sh b/test.sh
index 462c0808..43945977 100755
--- a/test.sh
+++ b/test.sh
@@ -3,4 +3,4 @@
 # Exit if any subcommand fails
 set -e
 
-cargo test --release -- --test-threads=2
+cargo test --release -- --test-threads=1