diff --git a/client/pubspec.yaml b/client/pubspec.yaml
index 85dfd3aed..02be31f52 100644
--- a/client/pubspec.yaml
+++ b/client/pubspec.yaml
@@ -1,6 +1,6 @@
 name: spine_client
 description: Dart-based library for client applications of Spine-based systems.
-version: 1.9.0-SNAPSHOT.1
+version: 1.9.0
 homepage: https://spine.io
 
 environment:
diff --git a/codegen/pubspec.yaml b/codegen/pubspec.yaml
index ef2a0b27f..b7d53970f 100644
--- a/codegen/pubspec.yaml
+++ b/codegen/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dart_code_gen
 description: A command-line tool which generates Dart code for Protobuf type registries.
-version: 1.9.0-SNAPSHOT.1
+version: 1.9.0
 homepage: https://spine.io
 
 environment:
diff --git a/version.gradle.kts b/version.gradle.kts
index 4152b73ba..8e7cc8a92 100644
--- a/version.gradle.kts
+++ b/version.gradle.kts
@@ -32,13 +32,13 @@
 /**
  * Version of this library.
  */
-val dart = "1.9.0-SNAPSHOT.13"
+val dart = "1.9.0"
 
 /**
  * Versions of the Spine libraries that this library depends on.
  */
-val base = "1.9.0-SNAPSHOT.6"
-val web = "1.9.0-SNAPSHOT.13"
+val base = "1.9.0"
+val web = "1.9.0"
 
 project.extra.apply {
     this["versionToPublish"] = dart