diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 3faecfeba..c12973660 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Scala Steward: Reformat with scalafmt 3.7.17
 65023c3a2a2db480a25916926efa665f3b919fc2
+
+# Scala Steward: Reformat with scalafmt 3.8.3
+c43f0c680acf1069fa7632606aca389fbd831fa5
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 4474d18b2..2070720af 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = "3.7.17"
+version = "3.8.3"
 runner.dialect = scala213
 maxColumn = 120
 align.preset = most
diff --git a/refined/shared/src/test/scala-2.13/zio/config/refined/NumericTestTypes.scala b/refined/shared/src/test/scala-2.13/zio/config/refined/NumericTestTypes.scala
index b16395f4a..73507ea7d 100644
--- a/refined/shared/src/test/scala-2.13/zio/config/refined/NumericTestTypes.scala
+++ b/refined/shared/src/test/scala-2.13/zio/config/refined/NumericTestTypes.scala
@@ -3,10 +3,10 @@ package zio.config.refined
 import eu.timepit.refined.numeric.{Divisible, Greater, GreaterEqual, Less, LessEqual, NonDivisible}
 
 private[refined] trait NumericTestTypes {
-  type Less10 = Less[10]
-  type Greater10 = Greater[10]
+  type Less10           = Less[10]
+  type Greater10        = Greater[10]
   type GreaterOrEqual10 = GreaterEqual[10]
-  type LessOrEqual10 = LessEqual[10]
-  type DivisibleBy10 = Divisible[10]
+  type LessOrEqual10    = LessEqual[10]
+  type DivisibleBy10    = Divisible[10]
   type NonDivisibleBy10 = NonDivisible[10]
 }
diff --git a/refined/shared/src/test/scala-3/zio/config/refined/NumericTestTypes.scala b/refined/shared/src/test/scala-3/zio/config/refined/NumericTestTypes.scala
index b16395f4a..73507ea7d 100644
--- a/refined/shared/src/test/scala-3/zio/config/refined/NumericTestTypes.scala
+++ b/refined/shared/src/test/scala-3/zio/config/refined/NumericTestTypes.scala
@@ -3,10 +3,10 @@ package zio.config.refined
 import eu.timepit.refined.numeric.{Divisible, Greater, GreaterEqual, Less, LessEqual, NonDivisible}
 
 private[refined] trait NumericTestTypes {
-  type Less10 = Less[10]
-  type Greater10 = Greater[10]
+  type Less10           = Less[10]
+  type Greater10        = Greater[10]
   type GreaterOrEqual10 = GreaterEqual[10]
-  type LessOrEqual10 = LessEqual[10]
-  type DivisibleBy10 = Divisible[10]
+  type LessOrEqual10    = LessEqual[10]
+  type DivisibleBy10    = Divisible[10]
   type NonDivisibleBy10 = NonDivisible[10]
 }
diff --git a/typesafe-magnolia-tests/shared/src/test/scala/zio/config/magnolia/CoproductSealedTraitSpec.scala b/typesafe-magnolia-tests/shared/src/test/scala/zio/config/magnolia/CoproductSealedTraitSpec.scala
index ee82e1a8b..6b9313f1e 100644
--- a/typesafe-magnolia-tests/shared/src/test/scala/zio/config/magnolia/CoproductSealedTraitSpec.scala
+++ b/typesafe-magnolia-tests/shared/src/test/scala/zio/config/magnolia/CoproductSealedTraitSpec.scala
@@ -2,7 +2,7 @@ package zio.config.magnolia
 
 import zio.ConfigProvider
 import zio.config._
-import zio.config.derivation.{ name => derivedName }
+import zio.config.derivation.{name => derivedName}
 import zio.test.Assertion._
 import zio.test.{ZIOSpecDefault, _}
 
diff --git a/yaml/shared/src/test/scala/zio/config/yaml/YamlConfigSpec.scala b/yaml/shared/src/test/scala/zio/config/yaml/YamlConfigSpec.scala
index fb2ddfaaa..b32cf92c1 100644
--- a/yaml/shared/src/test/scala/zio/config/yaml/YamlConfigSpec.scala
+++ b/yaml/shared/src/test/scala/zio/config/yaml/YamlConfigSpec.scala
@@ -61,8 +61,8 @@ object YamlConfigSpec extends ZIOSpecDefault {
       val configDataBaseConfig: Config[DataBaseConfig] = Config.string("url").to[DataBaseConfig]
 
       val yamlConfig: String = s"""url: "some_url""""
-      val result  = read(configDataBaseConfig from ConfigProvider.fromYamlStringZIO(yamlConfig))
-      val expected = DataBaseConfig("some_url")
+      val result             = read(configDataBaseConfig from ConfigProvider.fromYamlStringZIO(yamlConfig))
+      val expected           = DataBaseConfig("some_url")
       assertZIO(result)(equalTo(expected))
     }
   )