diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18ae0a653..affda671c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,11 +8,18 @@ All notable changes to this project will be documented in this file.
 
 ### Changes
 
+## [v0.16.0](https://github.com/malbeclabs/doublezero/compare/client/v0.15.0...client/v0.16.0) - 2026-04-03
+
+### Breaking
+
+### Changes
+
 - Smartcontract
   - Require that the access pass provided to `SubscribeMulticastGroup` belongs to the payer; foundation allowlist members may use any access pass.
   - Add Index account for onchain key uniqueness enforcement and O(1) key-to-pubkey lookup, with standalone CreateIndex/DeleteIndex instructions for migration backfill
-  - minimum client version to 0.10.0
+  - Set minimum client version to 0.10.0
   - Enforce 9000-byte MTU on links and non-CYOA/non-DIA device interfaces; CYOA/DIA interfaces must be 1500. Onchain validation now returns `InvalidMtu` (error 46) for non-conforming values.
+  - Add `OutboundIcmp` target type (`= 2`) to the geolocation onchain program, enabling ICMP-based probing as an alternative to TWAMP for outbound geolocation targets
 - CLI
   - Allow incremental multicast group addition without disconnecting
   - Reset SIGPIPE to SIG_DFL at the start of main() in all 3 CLI binaries (doublezero, doublezero-geolocation, doublezero-admin) so the process exits silently like standard CLI tools
@@ -25,8 +32,6 @@ All notable changes to this project will be documented in this file.
   - Add `GeoLocationTargetTypeOutboundIcmp` to Go geolocation SDK with deserialization and round-trip test support
 - Device Health Oracle
   - Update link.health and device.health to `ready-for-service` and `ready-for-users` when they are not already in that state
-- Smartcontract
-  - Add `OutboundIcmp` target type (`= 2`) to the geolocation onchain program, enabling ICMP-based probing as an alternative to TWAMP for outbound geolocation targets
 - Tools
   - Add `twamp-debug` diagnostic tool for testing kernel timestamping support on switches; sends real TWAMP probes to verify which SO_TIMESTAMPING modes (RX/TX software/hardware/sched) actually deliver timestamps, and reports RTT statistics comparing userspace vs kernel timestamp sources
 - E2E Tests
diff --git a/Cargo.lock b/Cargo.lock
index 81887ab09..7b3c5d849 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1526,7 +1526,7 @@ checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
 
 [[package]]
 name = "doublezero"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -1566,7 +1566,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-activator"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "backon",
  "base64 0.22.1",
@@ -1599,7 +1599,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-admin"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "anyhow",
  "backon",
@@ -1637,7 +1637,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-config"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "eyre",
  "serde",
@@ -1647,7 +1647,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-geolocation"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "bincode 2.0.1",
  "borsh 1.5.7",
@@ -1667,7 +1667,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-geolocation-cli"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "clap",
  "doublezero-config",
@@ -1682,7 +1682,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-program-common"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "borsh 1.5.7",
  "byteorder",
@@ -1695,7 +1695,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-record"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "bytemuck",
  "solana-program",
@@ -1738,7 +1738,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-serviceability"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "base64 0.22.1",
  "bitflags",
@@ -1763,7 +1763,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero-telemetry"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "bincode 2.0.1",
  "borsh 1.5.7",
@@ -1784,7 +1784,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero_cli"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "anyhow",
  "chrono",
@@ -1819,7 +1819,7 @@ dependencies = [
 
 [[package]]
 name = "doublezero_sdk"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "async-trait",
  "backon",
@@ -2178,7 +2178,7 @@ checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
 name = "fork-accounts"
-version = "0.15.0"
+version = "0.16.0"
 dependencies = [
  "base64 0.22.1",
  "borsh 1.5.7",
diff --git a/Cargo.toml b/Cargo.toml
index fa55a3baf..31e187bb4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ exclude = [
 resolver = "2"
 
 [workspace.package]
-version = "0.15.0"
+version = "0.16.0"
 authors = ["Malbec Labs <dev@malbeclabs.com>"]
 readme = "README.md"
 edition = "2021"