diff --git a/test/sanitizer_suppressions/lsan b/test/sanitizer_suppressions/lsan
index 7ccb22515f..c157447884 100644
--- a/test/sanitizer_suppressions/lsan
+++ b/test/sanitizer_suppressions/lsan
@@ -1,2 +1,2 @@
 # Suppress warnings triggered in dependencies
-leak:libQt5Widgets
+leak:libQt6Widgets
diff --git a/test/sanitizer_suppressions/ubsan b/test/sanitizer_suppressions/ubsan
index 6e636b56b8..a92b16b1d9 100644
--- a/test/sanitizer_suppressions/ubsan
+++ b/test/sanitizer_suppressions/ubsan
@@ -17,6 +17,7 @@ unsigned-integer-overflow:test/fuzz/crypto_diff_fuzz_chacha20.cpp
 implicit-integer-sign-change:*/include/boost/
 implicit-integer-sign-change:*/include/c++/
 implicit-integer-sign-change:*/new_allocator.h
+implicit-integer-sign-change:*/qarraydata.h
 implicit-integer-sign-change:crc32c/
 implicit-integer-sign-change:minisketch/
 implicit-integer-sign-change:secp256k1/