diff --git a/.circleci/config.yml b/.circleci/config.yml
index dbeb916271..3830546354 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -37,7 +37,7 @@ commands:
     parameters:
       version:
         type: string
-        default: "1.8.2"
+        default: "1.9.1"
     steps:
       - install-java
       - run:
diff --git a/project/Common.scala b/project/Common.scala
index 894f335e77..d6ca0f39eb 100644
--- a/project/Common.scala
+++ b/project/Common.scala
@@ -27,6 +27,10 @@ object CommonSettings extends AutoPlugin {
           url = url("https://lightbend.com"))),
       scmInfo := Some(
         ScmInfo(url("https://github.com/lightbend/kalix-jvm-sdk"), "scm:git@github.com:lightbend/kalix-jvm-sdk.git")),
+      releaseNotesURL := (
+        if ((ThisBuild / isSnapshot).value) None
+        else Some(url(s"https://github.com/lightbend/kalix-jvm-sdk/releases/tag/v${version.value}"))
+      ),
       startYear := Some(2021),
       licenses := List("Apache-2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0")),
       scalafmtOnCompile := !insideCI.value,
diff --git a/project/build.properties b/project/build.properties
index e2ed132169..6f94b56f49 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1,2 +1,2 @@
 # update even the version in .circleci/config.yml `setup_sbt:`
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/java-spring-fibonacci-action/project/build.properties b/samples/java-spring-fibonacci-action/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/java-spring-fibonacci-action/project/build.properties
+++ b/samples/java-spring-fibonacci-action/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-customer-registry-quickstart/project/build.properties b/samples/scala-protobuf-customer-registry-quickstart/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-customer-registry-quickstart/project/build.properties
+++ b/samples/scala-protobuf-customer-registry-quickstart/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-doc-snippets/project/build.properties b/samples/scala-protobuf-doc-snippets/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-doc-snippets/project/build.properties
+++ b/samples/scala-protobuf-doc-snippets/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-eventsourced-counter/project/build.properties b/samples/scala-protobuf-eventsourced-counter/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-eventsourced-counter/project/build.properties
+++ b/samples/scala-protobuf-eventsourced-counter/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-eventsourced-customer-registry-subscriber/project/build.properties b/samples/scala-protobuf-eventsourced-customer-registry-subscriber/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-eventsourced-customer-registry-subscriber/project/build.properties
+++ b/samples/scala-protobuf-eventsourced-customer-registry-subscriber/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-eventsourced-customer-registry/project/build.properties b/samples/scala-protobuf-eventsourced-customer-registry/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-eventsourced-customer-registry/project/build.properties
+++ b/samples/scala-protobuf-eventsourced-customer-registry/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-eventsourced-shopping-cart/project/build.properties b/samples/scala-protobuf-eventsourced-shopping-cart/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-eventsourced-shopping-cart/project/build.properties
+++ b/samples/scala-protobuf-eventsourced-shopping-cart/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-fibonacci-action/project/build.properties b/samples/scala-protobuf-fibonacci-action/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-fibonacci-action/project/build.properties
+++ b/samples/scala-protobuf-fibonacci-action/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-first-service/project/build.properties b/samples/scala-protobuf-first-service/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-first-service/project/build.properties
+++ b/samples/scala-protobuf-first-service/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-reliable-timers/project/build.properties b/samples/scala-protobuf-reliable-timers/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-reliable-timers/project/build.properties
+++ b/samples/scala-protobuf-reliable-timers/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-replicatedentity-examples/project/build.properties b/samples/scala-protobuf-replicatedentity-examples/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-replicatedentity-examples/project/build.properties
+++ b/samples/scala-protobuf-replicatedentity-examples/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-replicatedentity-shopping-cart/project/build.properties b/samples/scala-protobuf-replicatedentity-shopping-cart/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-replicatedentity-shopping-cart/project/build.properties
+++ b/samples/scala-protobuf-replicatedentity-shopping-cart/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-valueentity-counter/project/build.properties b/samples/scala-protobuf-valueentity-counter/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-valueentity-counter/project/build.properties
+++ b/samples/scala-protobuf-valueentity-counter/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-valueentity-customer-registry/project/build.properties b/samples/scala-protobuf-valueentity-customer-registry/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-valueentity-customer-registry/project/build.properties
+++ b/samples/scala-protobuf-valueentity-customer-registry/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-valueentity-shopping-cart/project/build.properties b/samples/scala-protobuf-valueentity-shopping-cart/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-valueentity-shopping-cart/project/build.properties
+++ b/samples/scala-protobuf-valueentity-shopping-cart/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-view-store/project/build.properties b/samples/scala-protobuf-view-store/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-view-store/project/build.properties
+++ b/samples/scala-protobuf-view-store/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1
diff --git a/samples/scala-protobuf-web-resources/project/build.properties b/samples/scala-protobuf-web-resources/project/build.properties
index 46e43a97ed..3c0b78a7c6 100644
--- a/samples/scala-protobuf-web-resources/project/build.properties
+++ b/samples/scala-protobuf-web-resources/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.1