diff --git a/ci/test-checks.sh b/ci/test-checks.sh
index 8f8c83d45d..0c2d3e663e 100755
--- a/ci/test-checks.sh
+++ b/ci/test-checks.sh
@@ -56,7 +56,7 @@ _ "$cargo" stable fmt --all -- --check
 
 # -Z... is needed because of clippy bug: https://github.com/rust-lang/rust-clippy/issues/4612
 # run nightly clippy for `sdk/` as there's a moderate amount of nightly-only code there
-_ "$cargo" nightly clippy -Zunstable-options --workspace --all-targets -- --deny=warnings
+_ "$cargo" nightly clippy -Zunstable-options --workspace --all-targets -- --deny=warnings --deny=clippy::integer_arithmetic
 
 cargo_audit_ignores=(
   # failure is officially deprecated/unmaintained