diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index b994ff1e..4f5a338d 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -15,3 +15,6 @@
 
 # Scala Steward: Reformat with scalafmt 3.8.4
 1f703b5dae8779c51d97236fcbbde73767135a5b
+
+# Scala Steward: Reformat with scalafmt 3.10.3
+19d1c217b65e0c90591714be8e1e0bbdd5302a7c
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 85831244..74158fe8 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = "3.8.6"
+version = "3.10.3"
 style = default
 
 maxColumn = 100
diff --git a/core/shared/src/main/scala-2/java/util/Locale.scala b/core/shared/src/main/scala-2/java/util/Locale.scala
index 939b8d0a..42ff0060 100644
--- a/core/shared/src/main/scala-2/java/util/Locale.scala
+++ b/core/shared/src/main/scala-2/java/util/Locale.scala
@@ -459,12 +459,12 @@ class Locale private[util] (
   // Handle 2 special cases jp_JP_JP and th_TH_TH
   private[this] val extensions =
     if (
-      ((language, country, variant)) == (("ja", "JP", "JP")) &&
+      (language, country, variant) == (("ja", "JP", "JP")) &&
       supportSpecialCases
     )
       _extensions ++ SMap(Locale.UNICODE_LOCALE_EXTENSION -> "ca-japanese")
     else if (
-      ((language, country, variant)) == (("th", "TH", "TH")) &&
+      (language, country, variant) == (("th", "TH", "TH")) &&
       supportSpecialCases
     )
       _extensions ++ SMap(Locale.UNICODE_LOCALE_EXTENSION -> "nu-thai")
diff --git a/tests/shared/src/test/scala/testsuite/javalib/util/CurrencyTest.scala b/tests/shared/src/test/scala/testsuite/javalib/util/CurrencyTest.scala
index 34bd0910..bb0b8c6e 100644
--- a/tests/shared/src/test/scala/testsuite/javalib/util/CurrencyTest.scala
+++ b/tests/shared/src/test/scala/testsuite/javalib/util/CurrencyTest.scala
@@ -23,7 +23,7 @@ class CurrencyTest extends munit.FunSuite {
     jsNativeResults: CurrencyTestResults,
     jvmResults:      CurrencyTestResults
   ) extends CombinedCurrencyTestResults
-  object LocaleCurrencyTest         {
+  object LocaleCurrencyTest {
     def apply(locale: Locale, results: CurrencyTestResults): LocaleCurrencyTest =
       LocaleCurrencyTest(locale, results, results)
   }
@@ -33,7 +33,7 @@ class CurrencyTest extends munit.FunSuite {
     jsNativeResults: CurrencyTestResults,
     jvmResults:      CurrencyTestResults
   ) extends CombinedCurrencyTestResults
-  object CodeCurrencyTest           {
+  object CodeCurrencyTest {
     def apply(currencyCode: String, results: CurrencyTestResults): CodeCurrencyTest =
       CodeCurrencyTest(currencyCode, results, results)
   }