diff --git a/support/suppressed_leaks_for_asan.txt b/support/suppressed_leaks_for_asan.txt
index 7d618bef589..d2b246866e6 100644
--- a/support/suppressed_leaks_for_asan.txt
+++ b/support/suppressed_leaks_for_asan.txt
@@ -1 +1,5 @@
-leak:style::sharing::SHARING_CACHE_KEY::__init
\ No newline at end of file
+# intentional Box::leak, introduced here: https://github.com/servo/stylo/blob/f4cde5d89d03db92d111eaa4b4b34e622b6eecac/style/sharing/mod.rs#L481
+leak:style::sharing::SHARING_CACHE_KEY::__init
+
+# lazy_static never frees memory because it never runs destructors, see https://docs.rs/lazy_static/1.4.0/lazy_static/index.html#semantics
+leak:lazy_static::lazy::Lazy*::get
\ No newline at end of file