diff --git a/src/agent/CMakeLists.txt b/src/agent/CMakeLists.txt
index f264a8bfa..6a1cc755b 100644
--- a/src/agent/CMakeLists.txt
+++ b/src/agent/CMakeLists.txt
@@ -18,7 +18,7 @@ if(CMAKE_HOST_WIN32 AND NOT DEFINED VCPKG_TARGET_TRIPLET)
     set(VCPKG_TARGET_TRIPLET "x64-windows-static" CACHE STRING "vcpkg triplet for the self-contained agent build")
 endif()
 
-project(HsmAgent VERSION 0.5.27 LANGUAGES CXX)
+project(HsmAgent VERSION 0.5.28 LANGUAGES CXX)
 
 if(MSVC)
     # Static CRT (/MT) to match the static triplet — the exe must run on a clean machine with no VC++
diff --git a/src/native/collector/CMakeLists.txt b/src/native/collector/CMakeLists.txt
index d9362a9fb..2894e1a95 100644
--- a/src/native/collector/CMakeLists.txt
+++ b/src/native/collector/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.21)
 
 # VERSION tracks the C ABI semver (HSM_COLLECTOR_VERSION_* in include/hsm_collector/hsm_collector.h);
 # keep the two in sync. It feeds the find_package(hsm_collector x.y) version check (#1100).
-project(HsmCollectorNative VERSION 0.6.1 LANGUAGES CXX)
+project(HsmCollectorNative VERSION 0.6.2 LANGUAGES CXX)
 
 # ---------------------------------------------------------------------------
 # Target topology (epic #1093 / issue #1095 §1 — "core lib / C ABI lib / C++
diff --git a/src/native/collector/include/hsm_collector/hsm_collector.h b/src/native/collector/include/hsm_collector/hsm_collector.h
index 18ff4bf91..fb009adff 100644
--- a/src/native/collector/include/hsm_collector/hsm_collector.h
+++ b/src/native/collector/include/hsm_collector/hsm_collector.h
@@ -18,7 +18,7 @@ extern "C"
    reported as the ".module/Collector version" sensor. */
 #define HSM_COLLECTOR_VERSION_MAJOR 0
 #define HSM_COLLECTOR_VERSION_MINOR 6
-#define HSM_COLLECTOR_VERSION_PATCH 1
+#define HSM_COLLECTOR_VERSION_PATCH 2
 #define HSM_COLLECTOR_VERSION \
     ((HSM_COLLECTOR_VERSION_MAJOR * 10000) + (HSM_COLLECTOR_VERSION_MINOR * 100) + HSM_COLLECTOR_VERSION_PATCH)
 
diff --git a/src/native/collector/src/hsm_collector.cpp b/src/native/collector/src/hsm_collector.cpp
index 7baeac383..584e70933 100644
--- a/src/native/collector/src/hsm_collector.cpp
+++ b/src/native/collector/src/hsm_collector.cpp
@@ -4661,9 +4661,23 @@ namespace
             // to one line per window (the batch is re-enqueued by the dispatcher — the retry itself is
             // not logged, matching the queue's silent re-enqueue).
             if (!response.IsSuccess())
-                LogError(
-                    "Failed to send " + std::to_string(batch.size()) + " value(s): HTTP " +
-                    std::to_string(response.status_code) + (response.error.empty() ? "" : " " + response.error));
+            {
+                const std::string msg = "Failed to send " + std::to_string(batch.size()) + " value(s): HTTP " +
+                                        std::to_string(response.status_code) +
+                                        (response.error.empty() ? "" : " " + response.error);
+                // A send whose in-flight POST was cancelled by a graceful stop is expected, not an
+                // error — log it at Debug (same treatment as the stop-drop). A genuine failure while
+                // running still logs at Error (deduplicated).
+                bool cancelled_by_stop;
+                {
+                    std::lock_guard<std::mutex> guard(hang_mutex_);
+                    cancelled_by_stop = send_cancelled_;
+                }
+                if (cancelled_by_stop)
+                    LogMessage(HSM_LOG_LEVEL_DEBUG, msg);
+                else
+                    LogError(msg);
+            }
 
             return response.IsSuccess();
         }