diff --git a/catch2 b/catch2
index 08147a23..03ffc101 160000
--- a/catch2
+++ b/catch2
@@ -1 +1 @@
-Subproject commit 08147a23f923103c87d1eac3dc30a9ecc4a753c4
+Subproject commit 03ffc1014cb854ea29565d24f3c6c4e133f7c10e
diff --git a/mitama-cpp-result b/mitama-cpp-result
index f0a847a8..fa3a9339 160000
--- a/mitama-cpp-result
+++ b/mitama-cpp-result
@@ -1 +1 @@
-Subproject commit f0a847a8515cca20c15a3eb4f6b0c97981a285da
+Subproject commit fa3a9339812d7bfe9c80c10c0c7ba4b76e44d27c
diff --git a/tests/basic-tests/basic-tests.cpp b/tests/basic-tests/basic-tests.cpp
index c3aa20bc..3fc4ea05 100644
--- a/tests/basic-tests/basic-tests.cpp
+++ b/tests/basic-tests/basic-tests.cpp
@@ -29,15 +29,15 @@ TEMPLATE_TEST_CASE("validates",
                    "[quantity][validate]",
                    second_t, meter_t, ampere_t, candela_t, kelvin_t, kilogram_t, mol_t)
 {
-    auto validator = [](auto v) -> mitama::Result<quantity_t<TestType, int>, int> {
+    auto validator = [](auto v) -> mitama::result<quantity_t<TestType, int>, int> {
         if (v.value() < 0)
-            return mitama::Err(v.value());
+            return mitama::failure(v.value());
         else
-            return mitama::Ok(v);
+            return mitama::success(v);
     };
 
-    REQUIRE( (1|TestType{}).validate(validator) == Ok(1|TestType{}) );
-    REQUIRE( (-1|TestType{}).validate(validator) == Err(-1) );
+    REQUIRE( (1|TestType{}).validate(validator) == mitama::success(1|TestType{}) );
+    REQUIRE( (-1|TestType{}).validate(validator) == mitama::failure(-1) );
 }
 
 #include <mitama/dimensional/systems/si/quantity.hpp>
diff --git a/tests/test_include/test_util.hpp b/tests/test_include/test_util.hpp
index bbd3e478..184e4d69 100644
--- a/tests/test_include/test_util.hpp
+++ b/tests/test_include/test_util.hpp
@@ -5,7 +5,7 @@
 #include <utility>
 #include <tuple>
 #include <random>
-#include <mitama/result/Result.hpp>
+#include <mitama/result/result.hpp>
 
 #define IS_INVALID_EXPR(...)                                     \
   IS_INVALID_EXPR_IMPL1(__VA_ARGS__)                             \