diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index a80bd90..8af945f 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Scala Steward: Reformat with scalafmt 3.8.5
 11cd2cbc2cdb9c7f1cf139d1fde17db02f23ddda
+
+# Scala Steward: Reformat with scalafmt 3.9.10
+e20c6084b1b4ac476b433ba3f2fb8064c02911fb
diff --git a/.scalafmt.conf b/.scalafmt.conf
index 963ed24..b81ec11 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.9.4
+version = 3.9.10
 align.openParenCallSite = true
 align.openParenDefnSite = true
 maxColumn = 120
diff --git a/core/src/main/scala/org/http4s/session/SessionMiddleware.scala b/core/src/main/scala/org/http4s/session/SessionMiddleware.scala
index 75125ca..7d648ed 100644
--- a/core/src/main/scala/org/http4s/session/SessionMiddleware.scala
+++ b/core/src/main/scala/org/http4s/session/SessionMiddleware.scala
@@ -98,7 +98,7 @@ object SessionMiddleware {
         sessionOpt <- OptionT.liftF(session)
         response <- sessionApp(ContextRequest(sessionOpt, req))
         out <- OptionT.liftF((sessionId, response.context) match {
-          case (None, None) => response.response.pure[F]
+          case (None, None)              => response.response.pure[F]
           case (Some(id), Some(context)) =>
             sessionStore.modifySession(
               id,