diff --git a/NEWS b/NEWS
index e090e318f..fbeedd2ce 100644
--- a/NEWS
+++ b/NEWS
@@ -12,10 +12,16 @@ ver 0.24 (not yet released)
   - new tag "Mood"
 
 ver 0.23.7 (not yet released)
+* database
+  - upnp: support pupnp 1.14
 * decoder
   - opus: fix missing song length on high-latency files
+* output
+  - shout: require at least libshout 2.4.0
 * mixer
+  - pipewire: fix volume restore
   - software: update volume of disabled outputs
+* support libiconv
 
 ver 0.23.6 (2022/03/14)
 * protocol
diff --git a/android/AndroidManifest.xml b/android/AndroidManifest.xml
index 11b375198..96978936a 100644
--- a/android/AndroidManifest.xml
+++ b/android/AndroidManifest.xml
@@ -19,6 +19,7 @@
   <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
   <application android:allowBackup="true"
+               android:debuggable="true"
                android:requestLegacyExternalStorage="true"
                android:icon="@drawable/icon"
                android:banner="@drawable/icon"
diff --git a/android/gdb.sh b/android/gdb.sh
new file mode 100755
index 000000000..5e576c7ff
--- /dev/null
+++ b/android/gdb.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# This script need the following modification in ANDROID_NDK in order to attach
+# to the good :main pid
+#--- a/prebuilt/linux-x86_64/bin/ndk-gdb.py
+#+++ b/prebuilt/linux-x86_64/bin/ndk-gdb.py
+#@@ -669,7 +669,7 @@
+#             log("Sleeping for {} seconds.".format(args.delay))
+#             time.sleep(args.delay)
+#
+#-    pids = gdbrunner.get_pids(device, pkg_name)
+#+    pids = gdbrunner.get_pids(device, pkg_name + ":main")
+#     if len(pids) == 0:
+#         error("Failed to find running process '{}'".format(pkg_name))
+#     if len(pids) > 1:
+
+SCRIPT_PATH=$(dirname $0)
+BUILD_PATH="`pwd`"
+TMP_PATH="$BUILD_PATH/gdb"
+NDK_GDB_ARGS="--force"
+ANDROID_NDK=$1
+
+if [ ! -f $ANDROID_NDK/source.properties ];then
+    echo "usage: $0 ANDROID_NDK"
+    exit 1
+fi
+
+if [ ! -f $BUILD_PATH/libmpd.so ];then
+    echo "This script need to be executed from the android build directory"
+    exit 1
+fi
+
+rm -rf "$TMP_PATH"
+mkdir -p "$TMP_PATH"
+
+ANDROID_MANIFEST="$SCRIPT_PATH/AndroidManifest.xml"
+ABI=`ls "$BUILD_PATH/android/apk/apk/lib" --sort=time | head -n 1`
+
+if [ ! -f "$ANDROID_MANIFEST" -o "$ABI" = "" ]; then
+    echo "Invalid manifest/ABI, did you try building first ?"
+    exit 1
+fi
+
+mkdir -p "$TMP_PATH"/jni
+touch "$TMP_PATH"/jni/Android.mk
+echo "APP_ABI := $ABI" > "$TMP_PATH"/jni/Application.mk
+
+DEST=obj/local/$ABI
+mkdir -p "$TMP_PATH/$DEST"
+
+cp "$BUILD_PATH/libmpd.so" "$TMP_PATH/$DEST"
+cp "$ANDROID_MANIFEST" "$TMP_PATH"
+
+(cd "$TMP_PATH" && bash $ANDROID_NDK/ndk-gdb $NDK_GDB_ARGS)
diff --git a/python/build/libs.py b/python/build/libs.py
index 412ca5b92..b4ab29c21 100644
--- a/python/build/libs.py
+++ b/python/build/libs.py
@@ -55,8 +55,8 @@ flac = AutotoolsProject(
 )
 
 zlib = ZlibProject(
-    'http://zlib.net/zlib-1.2.11.tar.xz',
-    '4ff941449631ace0d4d203e3483be9dbc9da454084111f97ea0a2114e19bf066',
+    'http://zlib.net/zlib-1.2.12.tar.xz',
+    '7db46b8d7726232a621befaab4a1c870f00a90805511c0e0090441dac57def18',
     'lib/libz.a',
 )
 
@@ -151,8 +151,8 @@ gme = CmakeProject(
 )
 
 ffmpeg = FfmpegProject(
-    'http://ffmpeg.org/releases/ffmpeg-5.0.tar.xz',
-    '51e919f7d205062c0fd4fae6243a84850391115104ccf1efc451733bc0ac7298',
+    'http://ffmpeg.org/releases/ffmpeg-5.0.1.tar.xz',
+    'ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b',
     'lib/libavcodec.a',
     [
         '--disable-shared', '--enable-static',
@@ -380,8 +380,8 @@ ffmpeg = FfmpegProject(
 )
 
 openssl = OpenSSLProject(
-    'https://www.openssl.org/source/openssl-3.0.1.tar.gz',
-    'c311ad853353bce796edad01a862c50a8a587f62e7e2100ef465ab53ec9b06d1',
+    'https://www.openssl.org/source/openssl-3.0.2.tar.gz',
+    '98e91ccead4d4756ae3c9cde5e09191a8e586d9f4d50838e7ec09d6411dfdb63',
     'include/openssl/ossl_typ.h',
 )
 
@@ -444,7 +444,7 @@ jack = JackProject(
 )
 
 boost = BoostProject(
-    'https://boostorg.jfrog.io/artifactory/main/release/1.78.0/source/boost_1_78_0.tar.bz2',
-    '8681f175d4bdb26c52222665793eef08490d7758529330f98d3b29dd0735bccc',
+    'https://boostorg.jfrog.io/artifactory/main/release/1.79.0/source/boost_1_79_0.tar.bz2',
+    '475d589d51a7f8b3ba2ba4eda022b170e562ca3b760ee922c146b6c65856ef39',
     'include/boost/version.hpp',
 )
diff --git a/src/lib/icu/meson.build b/src/lib/icu/meson.build
index 59215e704..6e489876b 100644
--- a/src/lib/icu/meson.build
+++ b/src/lib/icu/meson.build
@@ -12,17 +12,23 @@ if is_windows
   icu_sources += 'Win32.cxx'
 endif
 
+iconv_dep = []
 if icu_dep.found()
   icu_sources += [
     'Util.cxx',
     'Init.cxx',
   ]
 elif not get_option('iconv').disabled()
-  have_iconv = compiler.has_function('iconv', prefix : '#include <iconv.h>')
-  conf.set('HAVE_ICONV', have_iconv)
+  # an installed iconv library will make the builtin iconv() unavailable,
+  # so search for the library first and pass it as (possible) dependency
+  iconv_dep = compiler.find_library('libiconv', required: false)
+  have_iconv = compiler.has_function('iconv', 
+    dependencies: iconv_dep, 
+    prefix : '#include <iconv.h>')
   if not have_iconv and get_option('iconv').enabled()
     error('iconv() not available')
   endif
+  conf.set('HAVE_ICONV', have_iconv)
 endif
 
 icu = static_library(
@@ -31,6 +37,7 @@ icu = static_library(
   include_directories: inc,
   dependencies: [
     icu_dep,
+    iconv_dep,
     fmt_dep,
   ],
 )
diff --git a/src/lib/upnp/Init.cxx b/src/lib/upnp/Init.cxx
index bc3da2f51..559e44001 100644
--- a/src/lib/upnp/Init.cxx
+++ b/src/lib/upnp/Init.cxx
@@ -35,13 +35,7 @@ static unsigned upnp_ref;
 static void
 DoInit(const char* iface)
 {
-
-#ifdef UPNP_ENABLE_IPV6
-	auto code = UpnpInit2(iface, 0);
-#else
-	auto code = UpnpInit(iface, 0);
-#endif
-	if (code != UPNP_E_SUCCESS)
+	if (auto code = UpnpInit2(iface, 0); code != UPNP_E_SUCCESS)
 		throw FormatRuntimeError("UpnpInit() failed: %s",
 					 UpnpGetErrorMessage(code));
 
diff --git a/src/mixer/MixerAll.cxx b/src/mixer/MixerAll.cxx
index da96f93f3..2d9c9080e 100644
--- a/src/mixer/MixerAll.cxx
+++ b/src/mixer/MixerAll.cxx
@@ -84,7 +84,7 @@ output_mixer_set_volume(AudioOutputControl &ao, unsigned volume) noexcept
 
 	/* software mixers are always updated, even if they are
 	   disabled */
-	if (!ao.IsEnabled() && !mixer->IsPlugin(software_mixer_plugin))
+	if (!ao.IsReallyEnabled() && !mixer->IsPlugin(software_mixer_plugin))
 		return false;
 
 	try {
diff --git a/src/output/Control.hxx b/src/output/Control.hxx
index fa1dfbece..8f3b5fa6e 100644
--- a/src/output/Control.hxx
+++ b/src/output/Control.hxx
@@ -288,6 +288,13 @@ public:
 		return !output;
 	}
 
+	/**
+	 * Caller must lock the mutex.
+	 */
+	bool IsReallyEnabled() const noexcept {
+		return really_enabled;
+	}
+
 	/**
 	 * Caller must lock the mutex.
 	 */
diff --git a/src/output/plugins/PipeWireOutputPlugin.cxx b/src/output/plugins/PipeWireOutputPlugin.cxx
index bf5155a5b..18821b105 100644
--- a/src/output/plugins/PipeWireOutputPlugin.cxx
+++ b/src/output/plugins/PipeWireOutputPlugin.cxx
@@ -638,8 +638,8 @@ PipeWireOutput::ParamChanged([[maybe_unused]] uint32_t id,
 			     [[maybe_unused]] const struct spa_pod *param) noexcept
 {
 	if (restore_volume) {
-		SetVolume(volume);
 		restore_volume = false;
+		SetVolume(volume);
 	}
 
 #if defined(ENABLE_DSD) && defined(SPA_AUDIO_DSD_FLAG_NONE)
diff --git a/src/output/plugins/ShoutOutputPlugin.cxx b/src/output/plugins/ShoutOutputPlugin.cxx
index 507220ee4..57271b850 100644
--- a/src/output/plugins/ShoutOutputPlugin.cxx
+++ b/src/output/plugins/ShoutOutputPlugin.cxx
@@ -59,7 +59,7 @@ class ShoutConfig {
 public:
 	ShoutConfig(const ConfigBlock &block, const char *mime_type);
 
-	void Setup(shout_t *connection) const;
+	void Setup(shout_t &connection) const;
 };
 
 struct ShoutOutput final : AudioOutput {
@@ -229,41 +229,56 @@ ShoutOutput::Create(EventLoop &, const ConfigBlock &block)
 	return new ShoutOutput(block);
 }
 
-inline void
-ShoutConfig::Setup(shout_t *connection) const
+static void
+SetMeta(shout_t &connection, const char *name, const char *value)
 {
-	if (shout_set_host(connection, host) != SHOUTERR_SUCCESS ||
-	    shout_set_port(connection, port) != SHOUTERR_SUCCESS ||
-	    shout_set_password(connection, passwd) != SHOUTERR_SUCCESS ||
-	    shout_set_mount(connection, mount) != SHOUTERR_SUCCESS ||
-	    shout_set_name(connection, name) != SHOUTERR_SUCCESS ||
-	    shout_set_user(connection, user) != SHOUTERR_SUCCESS ||
-	    shout_set_public(connection, is_public) != SHOUTERR_SUCCESS ||
-	    shout_set_format(connection, format) != SHOUTERR_SUCCESS ||
-	    shout_set_protocol(connection, protocol) != SHOUTERR_SUCCESS ||
-#ifdef SHOUT_TLS
-	    shout_set_tls(connection, tls) != SHOUTERR_SUCCESS ||
+	if (shout_set_meta(&connection, name, value) != SHOUTERR_SUCCESS)
+		throw std::runtime_error(shout_get_error(&connection));
+}
+
+static void
+SetOptionalMeta(shout_t &connection, const char *name, const char *value)
+{
+	if (value != nullptr)
+		SetMeta(connection, name, value);
+}
+
+inline void
+ShoutConfig::Setup(shout_t &connection) const
+{
+	if (shout_set_host(&connection, host) != SHOUTERR_SUCCESS ||
+	    shout_set_port(&connection, port) != SHOUTERR_SUCCESS ||
+	    shout_set_password(&connection, passwd) != SHOUTERR_SUCCESS ||
+	    shout_set_mount(&connection, mount) != SHOUTERR_SUCCESS ||
+	    shout_set_user(&connection, user) != SHOUTERR_SUCCESS ||
+	    shout_set_public(&connection, is_public) != SHOUTERR_SUCCESS ||
+#ifdef SHOUT_USAGE_AUDIO
+	    /* since libshout 2.4.3 */
+	    shout_set_content_format(&connection, format, SHOUT_USAGE_AUDIO,
+				     nullptr) != SHOUTERR_SUCCESS ||
+#else
+	    shout_set_format(&connection, format) != SHOUTERR_SUCCESS ||
 #endif
-	    shout_set_agent(connection, "MPD") != SHOUTERR_SUCCESS)
-		throw std::runtime_error(shout_get_error(connection));
+	    shout_set_protocol(&connection, protocol) != SHOUTERR_SUCCESS ||
+#ifdef SHOUT_TLS
+	    shout_set_tls(&connection, tls) != SHOUTERR_SUCCESS ||
+#endif
+	    shout_set_agent(&connection, "MPD") != SHOUTERR_SUCCESS)
+		throw std::runtime_error(shout_get_error(&connection));
+
+	SetMeta(connection, SHOUT_META_NAME, name);
 
 	/* optional paramters */
 
-	if (genre != nullptr && shout_set_genre(connection, genre))
-		throw std::runtime_error(shout_get_error(connection));
-
-	if (description != nullptr &&
-	    shout_set_description(connection, description))
-		throw std::runtime_error(shout_get_error(connection));
-
-	if (url != nullptr && shout_set_url(connection, url))
-		throw std::runtime_error(shout_get_error(connection));
+	SetOptionalMeta(connection, SHOUT_META_GENRE, genre);
+	SetOptionalMeta(connection, SHOUT_META_DESCRIPTION, description);
+	SetOptionalMeta(connection, SHOUT_META_URL, url);
 
 	if (quality != nullptr)
-		shout_set_audio_info(connection, SHOUT_AI_QUALITY, quality);
+		shout_set_audio_info(&connection, SHOUT_AI_QUALITY, quality);
 
 	if (bitrate != nullptr)
-		shout_set_audio_info(connection, SHOUT_AI_BITRATE, bitrate);
+		shout_set_audio_info(&connection, SHOUT_AI_BITRATE, bitrate);
 }
 
 void
@@ -274,7 +289,7 @@ ShoutOutput::Enable()
 		throw std::bad_alloc{};
 
 	try {
-		config.Setup(shout_conn);
+		config.Setup(*shout_conn);
 	} catch (...) {
 		shout_free(shout_conn);
 		throw;
@@ -418,7 +433,7 @@ ShoutOutput::Pause()
 }
 
 static void
-shout_tag_to_metadata(const Tag &tag, char *dest, size_t size)
+shout_tag_to_metadata(const Tag &tag, char *dest, size_t size) noexcept
 {
 	const char *artist = tag.GetValue(TAG_ARTIST);
 	const char *title = tag.GetValue(TAG_TITLE);
@@ -446,9 +461,15 @@ ShoutOutput::SendTag(const Tag &tag)
 		char song[1024];
 		shout_tag_to_metadata(tag, song, sizeof(song));
 
-		shout_metadata_add(meta, "song", song);
-		shout_metadata_add(meta, "charset", "UTF-8");
-		if (SHOUTERR_SUCCESS != shout_set_metadata(shout_conn, meta)) {
+		if (SHOUTERR_SUCCESS != shout_metadata_add(meta, "song", song) ||
+#ifdef SHOUT_FORMAT_TEXT
+		    /* since libshout 2.4.6 */
+		    SHOUTERR_SUCCESS != shout_set_metadata_utf8(shout_conn, meta)
+#else
+		    SHOUTERR_SUCCESS != shout_metadata_add(meta, "charset", "UTF-8") ||
+		    SHOUTERR_SUCCESS != shout_set_metadata(shout_conn, meta)
+#endif
+			) {
 			LogWarning(shout_output_domain,
 				   "error setting shout metadata");
 		}
diff --git a/src/output/plugins/meson.build b/src/output/plugins/meson.build
index a50146021..caac2c949 100644
--- a/src/output/plugins/meson.build
+++ b/src/output/plugins/meson.build
@@ -99,7 +99,7 @@ if get_option('recorder')
   need_encoder = true
 endif
 
-libshout_dep = dependency('shout', required: get_option('shout'))
+libshout_dep = dependency('shout', version: '>= 2.4.0', required: get_option('shout'))
 output_features.set('HAVE_SHOUT', libshout_dep.found())
 if libshout_dep.found()
   output_plugins_sources += 'ShoutOutputPlugin.cxx'
diff --git a/subprojects/expat.wrap b/subprojects/expat.wrap
index 53b762397..8cb17ba72 100644
--- a/subprojects/expat.wrap
+++ b/subprojects/expat.wrap
@@ -1,9 +1,12 @@
-[wrap-file]
-directory = expat-2.2.9
-source_url = https://github.com/libexpat/libexpat/releases/download/R_2_2_9/expat-2.2.9.tar.xz
-source_filename = expat-2.2.9.tar.bz2
-source_hash = 1ea6965b15c2106b6bbe883397271c80dfa0331cdf821b2c319591b55eadc0a4
-patch_url = https://wrapdb.mesonbuild.com/v1/projects/expat/2.2.9/3/get_zip
-patch_filename = expat-2.2.9-3-wrap.zip
-patch_hash = e9aaace62e9a158b5e96f5c38c9f81f369179206acd87697653d777c0d3975d3
-
+[wrap-file]
+directory = expat-2.4.8
+source_url = https://github.com/libexpat/libexpat/releases/download/R_2_4_8/expat-2.4.8.tar.xz
+source_filename = expat-2.4.8.tar.bz2
+source_hash = f79b8f904b749e3e0d20afeadecf8249c55b2e32d4ebb089ae378df479dcaf25
+patch_filename = expat_2.4.8-1_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/expat_2.4.8-1/get_patch
+patch_hash = 9aec253a2c6d1c0feb852c5c6920298d14701eeec7acc6832bb402438b52112a
+
+[provide]
+expat = expat_dep
+
diff --git a/subprojects/fmt.wrap b/subprojects/fmt.wrap
index 8ce37d969..63869be17 100644
--- a/subprojects/fmt.wrap
+++ b/subprojects/fmt.wrap
@@ -1,11 +1,11 @@
 [wrap-file]
-directory = fmt-7.1.3
-source_url = https://github.com/fmtlib/fmt/archive/7.1.3.tar.gz
-source_filename = fmt-7.1.3.tar.gz
-source_hash = 5cae7072042b3043e12d53d50ef404bbb76949dad1de368d7f993a15c8c05ecc
-patch_url = https://wrapdb.mesonbuild.com/v1/projects/fmt/7.1.3/1/get_zip
-patch_filename = fmt-7.1.3-1-wrap.zip
-patch_hash = 6eb951a51806fd6ffd596064825c39b844c1fe1799840ef507b61a53dba08213
+directory = fmt-8.1.1
+source_url = https://github.com/fmtlib/fmt/archive/8.1.1.tar.gz
+source_filename = fmt-8.1.1.tar.gz
+source_hash = 3d794d3cf67633b34b2771eb9f073bde87e846e0d395d254df7b211ef1ec7346
+patch_filename = fmt_8.1.1-1_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/fmt_8.1.1-1/get_patch
+patch_hash = 6035a67c7a8c90bed74c293c7265c769f47a69816125f7566bccb8e2543cee5e
 
 [provide]
 fmt = fmt_dep
diff --git a/subprojects/gtest.wrap b/subprojects/gtest.wrap
index ca5d699ec..730de1aef 100644
--- a/subprojects/gtest.wrap
+++ b/subprojects/gtest.wrap
@@ -1,10 +1,15 @@
 [wrap-file]
-directory = googletest-release-1.10.0
+directory = googletest-release-1.11.0
+source_url = https://github.com/google/googletest/archive/release-1.11.0.tar.gz
+source_filename = gtest-1.11.0.tar.gz
+source_hash = b4870bf121ff7795ba20d20bcdd8627b8e088f2d1dab299a031c1034eddc93d5
+patch_filename = gtest_1.11.0-2_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/gtest_1.11.0-2/get_patch
+patch_hash = 764530d812ac161c9eab02a8cfaec67c871fcfc5548e29fd3d488070913d4e94
 
-source_url = https://github.com/google/googletest/archive/release-1.10.0.zip
-source_filename = gtest-1.10.0.zip
-source_hash = 94c634d499558a76fa649edb13721dce6e98fb1e7018dfaeba3cd7a083945e91
+[provide]
+gtest = gtest_dep
+gtest_main = gtest_main_dep
+gmock = gmock_dep
+gmock_main = gmock_main_dep
 
-patch_url = https://wrapdb.mesonbuild.com/v1/projects/gtest/1.10.0/1/get_zip
-patch_filename = gtest-1.10.0-1-wrap.zip
-patch_hash = 04ff14e8880e4e465f6260221e9dfd56fea6bc7cce4c4aff0dc528e4a2c8f514
diff --git a/subprojects/sqlite3.wrap b/subprojects/sqlite3.wrap
index 4d51dc053..39434f566 100644
--- a/subprojects/sqlite3.wrap
+++ b/subprojects/sqlite3.wrap
@@ -1,11 +1,11 @@
 [wrap-file]
-directory = sqlite-amalgamation-3340100
-source_url = https://www.sqlite.org/2021/sqlite-amalgamation-3340100.zip
-source_filename = sqlite-amalgamation-3340100.zip
-source_hash = e0b1c0345fe4338b936e17da8e1bd88366cd210e576834546977f040c12a8f68
-patch_url = https://wrapdb.mesonbuild.com/v1/projects/sqlite3/3.34.1/1/get_zip
-patch_filename = sqlite3-3.34.1-1-wrap.zip
-patch_hash = cba9e47bdb4c02f88fadaae8deab357218d32562c6b86ce7ba0c72f107044360
+directory = sqlite-amalgamation-3380000
+source_url = https://sqlite.org/2022/sqlite-amalgamation-3380000.zip
+source_filename = sqlite-amalgamation-3380000.zip
+source_hash = e055f6054e97747a135c89e36520c0a423249e8a91c5fc445163f4a6adb20df6
+patch_filename = sqlite3_3.38.0-1_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/sqlite3_3.38.0-1/get_patch
+patch_hash = 49e30bf010ff63ab772d5417885e6905379025ceac80382e292c6dbd3a9da744
 
 [provide]
 sqlite3 = sqlite3_dep
diff --git a/subprojects/vorbis.wrap b/subprojects/vorbis.wrap
index eb0c1af60..dfca897c9 100644
--- a/subprojects/vorbis.wrap
+++ b/subprojects/vorbis.wrap
@@ -1,11 +1,11 @@
 [wrap-file]
-directory = libvorbis-1.3.5
-source_url = http://downloads.xiph.org/releases/vorbis/libvorbis-1.3.5.tar.xz
-source_filename = libvorbis-1.3.5.tar.xz
-source_hash = 54f94a9527ff0a88477be0a71c0bab09a4c3febe0ed878b24824906cd4b0e1d1
-patch_url = https://wrapdb.mesonbuild.com/v1/projects/vorbis/1.3.5/7/get_zip
-patch_filename = vorbis-1.3.5-7-wrap.zip
-patch_hash = 7f4d3f9253925196461d52fd4553aad4468fd845560d1ff6c2eb6a012cf64fb0
+directory = libvorbis-1.3.7
+source_url = https://downloads.xiph.org/releases/vorbis/libvorbis-1.3.7.tar.xz
+source_filename = libvorbis-1.3.7.tar.xz
+source_hash = b33cc4934322bcbf6efcbacf49e3ca01aadbea4114ec9589d1b1e9d20f72954b
+patch_filename = vorbis_1.3.7-2_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/vorbis_1.3.7-2/get_patch
+patch_hash = fe302576cbf8408754b332b539ea1b83f0f96fa9aae50a5d1fea911713d5f21c
 
 [provide]
 vorbis = vorbis_dep