diff --git a/CHANGELOG.md b/CHANGELOG.md
index a96f7140..b1c169c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CHANGELOG
 
+## [1.9.2] - 2026-08-22
+
+### Changed
+- Added authenticated per-user idempotency-key handling to CSV and Wayfarer GeoJSON location imports so mobile offline-queue recovery imports and normal location delivery converge on one server record while retaining legacy keyless import behavior (#244, #494).
+
 ## [1.9.1] - 2026-08-21
 
 ### Changed
diff --git a/Version.props b/Version.props
index 30db9508..f0ff8da2 100644
--- a/Version.props
+++ b/Version.props
@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <WayfarerVersion>1.9.1</WayfarerVersion>
+    <WayfarerVersion>1.9.2</WayfarerVersion>
     <Version>$(WayfarerVersion)</Version>
     <PackageVersion>$(WayfarerVersion)</PackageVersion>
     <AssemblyInformationalVersion>$(WayfarerVersion)</AssemblyInformationalVersion>
diff --git a/docs/23-Versioning.md b/docs/23-Versioning.md
index 0b2a95d3..a05325d8 100644
--- a/docs/23-Versioning.md
+++ b/docs/23-Versioning.md
@@ -5,7 +5,7 @@ file contains the manually edited `WayfarerVersion` value and maps the standard
 MSBuild metadata directly from it:
 
 ```xml
-<WayfarerVersion>1.9.1</WayfarerVersion>
+<WayfarerVersion>1.9.2</WayfarerVersion>
 <Version>$(WayfarerVersion)</Version>
 <PackageVersion>$(WayfarerVersion)</PackageVersion>
 <AssemblyInformationalVersion>$(WayfarerVersion)</AssemblyInformationalVersion>
@@ -19,7 +19,7 @@ assembly through `IAppVersionProvider`. Runtime surfaces such as
 separate constants.
 
 Use `dotnet run --no-launch-profile -- version` when validating exact CLI
-output. The app writes exactly `Wayfarer 1.9.1`; `--no-launch-profile` avoids
+output. The app writes exactly `Wayfarer 1.9.2`; `--no-launch-profile` avoids
 .NET SDK launch-profile messages so validation stays focused on app output.
 
 ## Release helper
diff --git a/tests/Wayfarer.Tests/Versioning/AppVersionProviderTests.cs b/tests/Wayfarer.Tests/Versioning/AppVersionProviderTests.cs
index 6911bc2d..1cf14640 100644
--- a/tests/Wayfarer.Tests/Versioning/AppVersionProviderTests.cs
+++ b/tests/Wayfarer.Tests/Versioning/AppVersionProviderTests.cs
@@ -13,7 +13,7 @@ public void Version_DefaultProviderReadsCompiledWayfarerVersion()
     {
         var provider = new AppVersionProvider();
 
-        provider.Version.Should().Be("1.9.1");
+        provider.Version.Should().Be("1.9.2");
     }
 
     [Fact]