diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index f456764..b4d96b5 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Scala Steward: Reformat with scalafmt 3.8.1
 27310de4427f3187d2a4fca19f296ea7b2cae311
+
+# Scala Steward: Reformat with scalafmt 3.8.6
+7b2d76703efbbc277139d910eb97777c810bb927
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 7842a09..dd22538 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.8.3
+version = 3.8.6
 
 runner.dialect = scala3
 maxColumn = 120
diff --git a/modules/oath-core/src/test/scala/io/oath/test/NestedHeader.scala b/modules/oath-core/src/test/scala/io/oath/test/NestedHeader.scala
index 0feee9d..bd98162 100644
--- a/modules/oath-core/src/test/scala/io/oath/test/NestedHeader.scala
+++ b/modules/oath-core/src/test/scala/io/oath/test/NestedHeader.scala
@@ -27,7 +27,6 @@ object NestedHeader:
     parse(nestedHeaderJson).left
       .map(parsingFailure => JwtVerifyError.DecodingError(parsingFailure.message, parsingFailure.underlying))
       .flatMap(
-        _.as[NestedHeader].left.map(decodingFailure =>
-          JwtVerifyError.DecodingError(decodingFailure.getMessage(), decodingFailure.getCause)
-        )
+        _.as[NestedHeader].left
+          .map(decodingFailure => JwtVerifyError.DecodingError(decodingFailure.getMessage(), decodingFailure.getCause))
       )
diff --git a/modules/oath-core/src/test/scala/io/oath/test/NestedPayload.scala b/modules/oath-core/src/test/scala/io/oath/test/NestedPayload.scala
index fb10403..8b262f6 100644
--- a/modules/oath-core/src/test/scala/io/oath/test/NestedPayload.scala
+++ b/modules/oath-core/src/test/scala/io/oath/test/NestedPayload.scala
@@ -27,7 +27,6 @@ object NestedPayload:
     parse(nestedPayloadJson).left
       .map(parsingFailure => JwtVerifyError.DecodingError(parsingFailure.message, parsingFailure.underlying))
       .flatMap(
-        _.as[NestedPayload].left.map(decodingFailure =>
-          JwtVerifyError.DecodingError(decodingFailure.getMessage(), decodingFailure.getCause)
-        )
+        _.as[NestedPayload].left
+          .map(decodingFailure => JwtVerifyError.DecodingError(decodingFailure.getMessage(), decodingFailure.getCause))
       )