diff --git a/rust-half.spec b/rust-half.spec
index 2fa0271..4c1622c 100644
--- a/rust-half.spec
+++ b/rust-half.spec
@@ -153,7 +153,9 @@ use the "use-intrinsics" feature of the "%{crate}" crate.
 
 %if %{with check}
 %check
-%cargo_test
+# * skip tests that fail with Rust 1.75+ when built in release mode:
+#   https://github.com/starkat99/half-rs/issues/103
+%cargo_test -- -- --exact --skip bfloat::test::test_nan_conversion_to_larger --skip bfloat::test::test_nan_conversion_to_smaller --skip binary16::test::test_nan_conversion_to_larger --skip binary16::test::test_nan_conversion_to_smaller
 %endif
 
 %changelog
diff --git a/rust2rpm.toml b/rust2rpm.toml
index ba29a5a..51f165b 100644
--- a/rust2rpm.toml
+++ b/rust2rpm.toml
@@ -1,3 +1,13 @@
 [package]
 summary = "Half-precision floating point f16 and bf16 types for Rust"
 
+[tests]
+skip = [
+    "bfloat::test::test_nan_conversion_to_larger",
+    "bfloat::test::test_nan_conversion_to_smaller",
+    "binary16::test::test_nan_conversion_to_larger",
+    "binary16::test::test_nan_conversion_to_smaller",
+]
+skip-exact = true
+comments = ["skip tests that fail with Rust 1.75+ when built in release mode: https://github.com/starkat99/half-rs/issues/103"]
+