diff --git a/test/test-ctl-fuzz.c b/test/test-ctl-fuzz.c
index bcf6bb1..501fd6c 100644
--- a/test/test-ctl-fuzz.c
+++ b/test/test-ctl-fuzz.c
@@ -12,7 +12,7 @@
 #include <WS2tcpip.h>
 
 #define NUM_SOCKETS 10000
-#define RUN_TIME 10000
+#define RUN_TIME 5000
 #define PRINT_INTERVAL 500
 
 static SOCKET create_and_add_socket(HANDLE epfd) {
diff --git a/test/test-reflock.c b/test/test-reflock.c
index 251e74a..656efeb 100644
--- a/test/test-reflock.c
+++ b/test/test-reflock.c
@@ -10,7 +10,7 @@
 #include "win.h"
 
 #define THREAD_COUNT 20
-#define TEST_ITERATIONS 100
+#define TEST_ITERATIONS 50
 #define TEST_LENGTH 100
 
 typedef struct test_context {
diff --git a/test/test-udp-pings.c b/test/test-udp-pings.c
index ee61a52..58a07c0 100644
--- a/test/test-udp-pings.c
+++ b/test/test-udp-pings.c
@@ -8,7 +8,7 @@
 
 #define LISTEN_PORT 12345
 #define NUM_PINGERS 10000
-#define RUN_TIME 10000
+#define RUN_TIME 5000
 
 static const char PING[] = "PING";