diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index d9902e0..f2450cf 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -3,3 +3,6 @@
 
 # Scala Steward: Reformat with scalafmt 3.6.1
 867d741b880e4517744c0557dc8d139a7d7ed0c8
+
+# Scala Steward: Reformat with scalafmt 3.7.8
+b7eec74c8a47af1052bf4d5a5db2a4bb6d1c3ff0
diff --git a/.scalafmt.conf b/.scalafmt.conf
index a5536d4..9ab555b 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.7.7
+version = 3.7.8
 
 runner.dialect = scala212
 
diff --git a/plugin/src/sbt-test/sbt-tpolecat/modePerConfiguration/build.sbt b/plugin/src/sbt-test/sbt-tpolecat/modePerConfiguration/build.sbt
index b173af4..5d41d05 100644
--- a/plugin/src/sbt-test/sbt-tpolecat/modePerConfiguration/build.sbt
+++ b/plugin/src/sbt-test/sbt-tpolecat/modePerConfiguration/build.sbt
@@ -16,7 +16,7 @@ crossScalaVersions := Seq(
   Scala213,
   Scala30,
   Scala31,
-  Scala33,
+  Scala33
 )
 
 Compile / tpolecatOptionsMode := CiMode
diff --git a/plugin/src/sbt-test/sbt-tpolecat/scalacOptions/build.sbt b/plugin/src/sbt-test/sbt-tpolecat/scalacOptions/build.sbt
index d50826d..e774cc4 100644
--- a/plugin/src/sbt-test/sbt-tpolecat/scalacOptions/build.sbt
+++ b/plugin/src/sbt-test/sbt-tpolecat/scalacOptions/build.sbt
@@ -206,7 +206,7 @@ val Scala33Options =
     "-Wunused:params",
     "-Wunused:privates",
     "-source",
-    "3.0-migration",
+    "3.0-migration"
   )
 
 TaskKey[Unit]("checkDevMode") := {