diff --git a/CMakeLists.txt b/CMakeLists.txt
index 62e5beb..a9ae6a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -400,9 +400,9 @@
 
     #  Transport tests.
     add_libnanomsg_test (inproc 5)
-    add_libnanomsg_test (inproc_shutdown 5)
+    add_libnanomsg_test (inproc_shutdown 10)
     add_libnanomsg_test (ipc 5)
-    add_libnanomsg_test (ipc_shutdown 30)
+    add_libnanomsg_test (ipc_shutdown 40)
     add_libnanomsg_test (ipc_stress 5)
     add_libnanomsg_test (tcp 20)
     add_libnanomsg_test (tcp_shutdown 120)
@@ -443,7 +443,7 @@
     add_libnanomsg_test (cmsg 5)
     add_libnanomsg_test (bug328 5)
     add_libnanomsg_test (bug777 5)
-    add_libnanomsg_test (ws_async_shutdown 5)
+    add_libnanomsg_test (ws_async_shutdown 10)
     add_libnanomsg_test (reqttl 10)
     add_libnanomsg_test (surveyttl 10)