diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index f6f1e649e..a3faa9763 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -3,3 +3,6 @@ aa7db3a42121f78a5b3bed3658786c1cef83efe8
 
 # Enable scalafmt for Scala 3
 64df4ae51873593a789af5848bd225c14d0baf8a
+
+# Scala Steward: Reformat with scalafmt 3.7.4
+fcff0321302ad8a301837c2a99dd0d423c12ab90
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 243e75f0e..e7937db99 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = "3.6.1"
+version = "3.7.4"
 style = default
 
 maxColumn = 100
diff --git a/build.sbt b/build.sbt
index 74fe2a9b7..179837f28 100644
--- a/build.sbt
+++ b/build.sbt
@@ -139,7 +139,7 @@ lazy val core = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .in(file("core"))
   .settings(commonSettings)
   .settings(
-    name := "scala-java-time",
+    name                                          := "scala-java-time",
     libraryDependencies += ("org.portable-scala" %%% "portable-scala-reflect" % "1.1.2")
       .cross(CrossVersion.for3Use2_13)
   )
diff --git a/core/shared/src/main/scala-2/org/threeten/bp/zone/ZoneMap.scala b/core/shared/src/main/scala-2/org/threeten/bp/zone/ZoneMap.scala
index f4c6aa966..5e5a4267a 100644
--- a/core/shared/src/main/scala-2/org/threeten/bp/zone/ZoneMap.scala
+++ b/core/shared/src/main/scala-2/org/threeten/bp/zone/ZoneMap.scala
@@ -12,7 +12,7 @@ import scala.collection.immutable
 // TreeMap is not available in Scala.js however it is needed for Time Zone support
 // This is a simple implementation of NavigableMap, performance is likely terrible
 private[bp] class ZoneMap[K: ClassTag, V] private[bp] (var map: immutable.TreeMap[K, V])(implicit
-  ordering:                                                     Ordering[K]
+  ordering: Ordering[K]
 ) extends AbstractMap[K, V]
     with java.util.NavigableMap[K, V] {
   def this()(implicit ordering: Ordering[K]) =
@@ -164,6 +164,6 @@ private[bp] class ZoneMap[K: ClassTag, V] private[bp] (var map: immutable.TreeMa
 object ZoneMap {
 
   def apply[K: ClassTag, V](map: immutable.TreeMap[K, V])(implicit
-    ordering:                    Ordering[K]
+    ordering: Ordering[K]
   ): java.util.NavigableMap[K, V] = new ZoneMap[K, V](map)
 }
diff --git a/tests/shared/src/test/scala/org/threeten/bp/AssertionsHelper.scala b/tests/shared/src/test/scala/org/threeten/bp/AssertionsHelper.scala
index 2961d4963..0b62baf4e 100644
--- a/tests/shared/src/test/scala/org/threeten/bp/AssertionsHelper.scala
+++ b/tests/shared/src/test/scala/org/threeten/bp/AssertionsHelper.scala
@@ -17,27 +17,27 @@ trait AssertionsHelper { this: AnyFunSuite =>
       true
 
   def assertEquals[A, B](
-    o1:                  A,
-    o2:                  B,
-    msg:                 String
+    o1:  A,
+    o2:  B,
+    msg: String
   )(implicit prettifier: Prettifier, pos: source.Position): Assertion =
     assert(o1 == o2, msg)
 
   def assertEquals[A, B](
-    o1:                  A,
-    o2:                  B
+    o1: A,
+    o2: B
   )(implicit prettifier: Prettifier, pos: source.Position): Assertion =
     assert(o1 == o2)
 
   def assertSame[A <: AnyRef, B <: AnyRef](
-    o1:                  A,
-    o2:                  B
+    o1: A,
+    o2: B
   )(implicit prettifier: Prettifier, pos: source.Position): Assertion =
     assert(o1 eq o2)
 
   def assertNotEquals[A, B](
-    o1:                  A,
-    o2:                  B
+    o1: A,
+    o2: B
   )(implicit prettifier: Prettifier, pos: source.Position): Assertion =
     assert(o1 != o2)
 
@@ -51,8 +51,8 @@ trait AssertionsHelper { this: AnyFunSuite =>
     assert(a == null)
 
   def assertNotNull[A](
-    a:                   A,
-    msg:                 String
+    a:   A,
+    msg: String
   )(implicit prettifier: Prettifier, pos: source.Position): Assertion =
     assert(a != null, msg)
 
diff --git a/tests/shared/src/test/scala/org/threeten/bp/TestInstant.scala b/tests/shared/src/test/scala/org/threeten/bp/TestInstant.scala
index b263dbb18..f7ba88da0 100644
--- a/tests/shared/src/test/scala/org/threeten/bp/TestInstant.scala
+++ b/tests/shared/src/test/scala/org/threeten/bp/TestInstant.scala
@@ -244,27 +244,27 @@ class TestInstant
       List[Long](Long.MaxValue - 1,
                  0,
                  (Long.MaxValue - 1) / 1000,
-                 ((Long.MaxValue - 1) % 1000).toInt * 1000000
+                 ((Long.MaxValue - 1)                                   % 1000).toInt * 1000000
       ),
       List[Long](Long.MinValue,
                  0,
                  (Long.MinValue / 1000) - 1,
-                 (Long.MinValue % 1000).toInt * 1000000 + 1000000000
+                 (Long.MinValue                                         % 1000).toInt * 1000000 + 1000000000
       ),
       List[Long](Long.MinValue,
                  1,
                  (Long.MinValue / 1000) - 1,
-                 (Long.MinValue % 1000).toInt * 1000000 + 1000000000 + 1
+                 (Long.MinValue                                         % 1000).toInt * 1000000 + 1000000000 + 1
       ),
       List[Long](Long.MinValue + 1,
                  0,
                  ((Long.MinValue + 1) / 1000) - 1,
-                 ((Long.MinValue + 1) % 1000).toInt * 1000000 + 1000000000
+                 ((Long.MinValue + 1)                                   % 1000).toInt * 1000000 + 1000000000
       ),
       List[Long](Long.MinValue + 1,
                  1,
                  ((Long.MinValue + 1) / 1000) - 1,
-                 ((Long.MinValue + 1) % 1000).toInt * 1000000 + 1000000000 + 1
+                 ((Long.MinValue + 1)                                   % 1000).toInt * 1000000 + 1000000000 + 1
       )
     )
 
@@ -730,7 +730,7 @@ class TestInstant
            0,
            Long.MinValue,
            Long.MinValue / 1000 - 1,
-           (Long.MinValue % 1000).toInt * 1000000 + 1000000000
+           (Long.MinValue                                            % 1000).toInt * 1000000 + 1000000000
       )
     )