diff --git a/tests/completion/lib.exp0 b/tests/completion/lib.exp0
index 73999922f58..1ff3ec00864 100644
--- a/tests/completion/lib.exp0
+++ b/tests/completion/lib.exp0
@@ -1,7 +1,7 @@
 # -*- tcl -*-
 
 set send_slow {1 0.001}
-set timeout 10
+set timeout 30
 
 proc delay {} {
     sleep 0.5