diff --git a/.github/scala-steward.conf b/.github/scala-steward.conf
index d9b587c..55ffa34 100644
--- a/.github/scala-steward.conf
+++ b/.github/scala-steward.conf
@@ -1,9 +1,9 @@
 pullRequests.frequency = "@monthly"
 
-commits.message = "[9.0.x] ${artifactName} ${nextVersion} (was ${currentVersion})"
+commits.message = "[9.1.x] ${artifactName} ${nextVersion} (was ${currentVersion})"
 
 pullRequests.grouping = [
-  { name = "patches", "title" = "[9.0.x] Patch updates", "filter" = [{"version" = "patch"}] }
+  { name = "patches", "title" = "[9.1.x] Patch updates", "filter" = [{"version" = "patch"}] }
 ]
 
 buildRoots = [
@@ -22,6 +22,6 @@ updates.pin = [
   { groupId = "com.typesafe.play", artifactId = "play-specs2", version = "2.9." },
   { groupId = "com.typesafe.play", artifactId = "play-test", version = "2.9." },
   { groupId = "com.typesafe.play", artifactId = "sbt-plugin", version = "2.9." },
-  { groupId = "com.typesafe.play", artifactId = "play-mailer-guice", version = "9.0." },
-  { groupId = "com.typesafe.play", artifactId = "play-mailer", version = "9.0." }
+  { groupId = "com.typesafe.play", artifactId = "play-mailer-guice", version = "9.1." },
+  { groupId = "com.typesafe.play", artifactId = "play-mailer", version = "9.1." }
 ]
diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 08fe776..56ea2d7 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -5,7 +5,7 @@ on:
 
   push:
     branches:
-      - 9.0.x # Check branch after merge
+      - 9.1.x # Check branch after merge
 
 concurrency:
   # Only run once for latest commit per ref and cancel other (previous) runs.
diff --git a/.github/workflows/dependency-graph.yml b/.github/workflows/dependency-graph.yml
index 929c4b2..66d2077 100644
--- a/.github/workflows/dependency-graph.yml
+++ b/.github/workflows/dependency-graph.yml
@@ -2,7 +2,7 @@ name: Dependency Graph
 on:
   workflow_run:
     workflows: ["Check"]
-    branches: [9.0.x]
+    branches: [9.1.x]
     types:
       - completed
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 8160237..cfc68ff 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -3,7 +3,7 @@ name: Publish
 on:
   push:
     branches: # Snapshots
-      - 9.0.x
+      - 9.1.x
     tags: ["**"] # Releases
 
 jobs:
diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml
index b49c2d6..60f2896 100644
--- a/.github/workflows/release-drafter.yml
+++ b/.github/workflows/release-drafter.yml
@@ -3,7 +3,7 @@ name: Release Drafter
 on:
   push:
     branches:
-      - 9.0.x
+      - 9.1.x
 
 jobs:
   update_release_draft: