diff --git a/cunit/unit.c b/cunit/unit.c
index 46dc358..ca37f22 100644
--- a/cunit/unit.c
+++ b/cunit/unit.c
@@ -97,7 +97,7 @@ EXPORTED void fatal(const char *s, int code)
 }
 
 /* Each test gets a maximum of 20 seconds. */
-#define TEST_TIMEOUT_MS (20*1000)
+#define TEST_TIMEOUT_MS (30*1000)
 
 static jmp_buf jbuf;
 static const char *code;