diff --git a/.cirrus.yml b/.cirrus.yml
index fc66b55a1d..bb3d4acd70 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -116,10 +116,10 @@ task:
     FILE_ENV: "./ci/test/00_setup_env_native_msan.sh"
 
 task:
-  name: '[no depends, sanitizers: address/leak (ASan + LSan) + undefined (UBSan) + integer] [focal]'
+  name: '[no depends, sanitizers: address/leak (ASan + LSan) + undefined (UBSan) + integer] [hirsute]'
   << : *GLOBAL_TASK_TEMPLATE
   container:
-    image: ubuntu:focal
+    image: ubuntu:hirsute
   env:
     FILE_ENV: "./ci/test/00_setup_env_native_asan.sh"
 
diff --git a/test/sanitizer_suppressions/ubsan b/test/sanitizer_suppressions/ubsan
index e6ae66d275..af17ca71d3 100644
--- a/test/sanitizer_suppressions/ubsan
+++ b/test/sanitizer_suppressions/ubsan
@@ -96,6 +96,7 @@ implicit-unsigned-integer-truncation:test/fuzz/crypto_diff_fuzz_chacha20.cpp
 # std::variant warning fixed in https://github.com/gcc-mirror/gcc/commit/074436cf8cdd2a9ce75cadd36deb8301f00e55b9
 implicit-unsigned-integer-truncation:std::__detail::__variant::_Variant_storage
 shift-base:xoroshiro128plusplus.h
+shift-base:nanobench.h
 shift-base:*/include/c++/
 shift-base:arith_uint256.cpp
 shift-base:crypto/