diff --git a/.fusa-reqs.json b/.fusa-reqs.json
index d35f0a2..a45bc2b 100644
--- a/.fusa-reqs.json
+++ b/.fusa-reqs.json
@@ -104,6 +104,7 @@
     {"id":"REQ-IEC62443-OUT001","title":"cfusa iec62443 --output <file> writes report to file and prints 'IEC 62443 gap report written to' to stderr; exit 3 for bad output path; parity with go-FuSa TestRunIEC62443_OutputFile/TestRunIEC62443_BadOutputPath","standard":"go-FuSa parity","level":"ASIL-A"},
     {"id":"REQ-HARA-ASIL-C0001","title":"cfusa hara ASIL table uses 4-column (C0-C3) scale matching go-FuSa DetermineASIL; accepts Sx/Ex/Cx prefix flag values; S2/E4/C2=ASIL-C, S2/E4/C0=ASIL-A etc; parity with go-FuSa TestDetermineASIL_Table4 and TestRunHara_ASIL","standard":"go-FuSa parity","level":"ASIL-D"},
     {"id":"REQ-HARA-INIT-EXISTS001","title":"cfusa hara init returns exit 2 with 'already exists' in stderr when .fusa-hara.json already exists; parity with go-FuSa TestRunHara_InitAlreadyExists","standard":"go-FuSa parity","level":"ASIL-A"},
-    {"id":"REQ-HARA-SUBCMD001","title":"cfusa hara unknown subcommand returns exit 2; parity with go-FuSa TestRunHara_UnknownSubcommand","standard":"go-FuSa parity","level":"ASIL-A"}
+    {"id":"REQ-HARA-SUBCMD001","title":"cfusa hara unknown subcommand returns exit 2; parity with go-FuSa TestRunHara_UnknownSubcommand","standard":"go-FuSa parity","level":"ASIL-A"},
+    {"id":"REQ-UNECE-OUT001","title":"cfusa unece --output <file> writes report to file and prints 'UN R.155 gap report written to' to stderr; stdout remains empty (§2.2); parity with go-FuSa TestRunUNECE_OutputFile","standard":"go-FuSa parity","level":"ASIL-A"}
   ]
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b046a2b..53cad55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,14 @@ and the project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [0.5.30] — 2026-06-13
+
+### Fixed
+- **`cfusa unece --output <file>`**: Now prints "UN R.155 gap report written to \<file\>" to stderr after writing. Parity with go-FuSa `TestRunUNECE_OutputFile` (§2.2: stdout stays empty, confirmation goes to stderr).
+
+### Requirements
+- REQ-UNECE-OUT001
+
 ## [0.5.29] — 2026-06-13
 
 ### Fixed
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 12facfa..6396ca7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.16)
 project(cfusa
-    VERSION 0.5.29
+    VERSION 0.5.30
     DESCRIPTION "C functional safety toolkit"
     LANGUAGES C
 )
diff --git a/Dockerfile b/Dockerfile
index f019a0d..7027513 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,7 @@ LABEL org.opencontainers.image.title="c-FuSa" \
       org.opencontainers.image.source="https://github.com/SoundMatt/c-FuSa" \
       org.opencontainers.image.licenses="MIT" \
       org.opencontainers.image.vendor="SoundMatt" \
-      org.opencontainers.image.version="0.5.29" \
+      org.opencontainers.image.version="0.5.30" \
       io.x-fusa.tool="c-FuSa" \
       io.x-fusa.language="c" \
       io.x-fusa.binary="cfusa" \
diff --git a/cmd/cfusa/cmd_unece.c b/cmd/cfusa/cmd_unece.c
index 7f5f6d0..2d5f8dd 100644
--- a/cmd/cfusa/cmd_unece.c
+++ b/cmd/cfusa/cmd_unece.c
@@ -184,6 +184,9 @@ int cmd_unece(int argc, char **argv)
         return 3;
     }
 
-    if (output && out != stdout) fclose(out);
+    if (output && out != stdout) {
+        fclose(out);
+        fprintf(stderr, "UN R.155 gap report written to %s\n", output);
+    }
     return (gap > 0) ? 1 : 0;
 }
diff --git a/include/cfusa/version.h b/include/cfusa/version.h
index 9c12422..230ec17 100644
--- a/include/cfusa/version.h
+++ b/include/cfusa/version.h
@@ -3,8 +3,8 @@
 
 #define CFUSA_VERSION_MAJOR  0
 #define CFUSA_VERSION_MINOR  5
-#define CFUSA_VERSION_PATCH  29
-#define CFUSA_VERSION_STRING "0.5.29"
+#define CFUSA_VERSION_PATCH  30
+#define CFUSA_VERSION_STRING "0.5.30"
 #define CFUSA_SCHEMA_VERSION "1.9"
 #define CFUSA_SPEC_VERSION   "1.9"