diff --git a/cmake b/cmake
index 6d88ccd3a..3cdc56679 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 6d88ccd3acc9cd127110666910d4bea9749c45da
+Subproject commit 3cdc566792531119681c4bb3f5b2708403581c1b
diff --git a/deploy/packages/pack-metacall.cmake b/deploy/packages/pack-metacall.cmake
index c09d0fb3b..b61cbf202 100644
--- a/deploy/packages/pack-metacall.cmake
+++ b/deploy/packages/pack-metacall.cmake
@@ -184,17 +184,16 @@ endif()
 set(CPACK_DEBIAN_PACKAGE_NAME				"${package_name}")
 set(CPACK_DEBIAN_PACKAGE_VERSION			"${CPACK_PACKAGE_VERSION}")
 set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE		"all")
+set(CPACK_DEBIAN_RUNTIME_PACKAGE_DEPENDS	"bash (>= 4.4-5), curl (>= 7.52.1-5), libc6 (>= 2.24-11), libgcc1 (>= 1:6.3.0-18), libpython3.5 (>= 3.5.3-1), libruby (>= 1:2.3.3), libicu57 (>= 57.1-6), libunwind8 (>= 1.1-4.1)")
 set(CPACK_DEBIAN_PACKAGE_MAINTAINER			"${package_maintainer}")
-set(CPACK_DEBIAN_PACKAGE_DEPENDS			"bash (>= 4.4-5), curl (>= 7.52.1-5), libc6 (>= 2.24-11), libgcc1 (>= 1:6.3.0-18), libpython3.5 (>= 3.5.3-1), libruby (>= 1:2.3.3), libicu57 (>= 57.1-6), libunwind8 (>= 1.1-4.1)")
 set(CPACK_DEBIAN_PACKAGE_DESCRIPTION		"${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
 set(CPACK_DEBIAN_PACKAGE_SECTION			"devel")
 set(CPACK_DEBIAN_PACKAGE_PRIORITY			"optional")
-set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA		"")
 set(CPACK_DEB_COMPONENT_INSTALL				${PACK_COMPONENT_INSTALL})
-set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA		"${CMAKE_CURRENT_SOURCE_DIR}/packages/postinst")
 #set(CPACK_DEBIAN_PACKAGE_RECOMMENDS		"")
 #set(CPACK_DEBIAN_PACKAGE_SUGGESTS			"")
 #set(CPACK_DEBIAN_ENABLE_COMPONENT_DEPENDS	ON)
+set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA		"${CMAKE_CURRENT_SOURCE_DIR}/packages/postinst")
 
 #
 # RPM package
diff --git a/deploy/packages/postinst b/deploy/packages/postinst
index 6405d2ad4..93f59d2e1 100755
--- a/deploy/packages/postinst
+++ b/deploy/packages/postinst
@@ -19,9 +19,13 @@
 #	limitations under the License.
 #
 
+NETCORE_INSTALL_DIR=/usr/share/dotnet
+
 # Download and install NetCore
-curl -s https://dot.net/v1/dotnet-install.sh &> dotnet-install.sh \
-	&& chmod +x dotnet-install.sh \
-	&& ./dotnet-install.sh --runtime dotnet --channel 1.0 --version 1.1.10 --install-dir /usr/share/dotnet \
-	&& ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet \
-	&& rm dotnet-install.sh
+if [ ! -f $NETCORE_INSTALL_DIR/dotnet ]; then
+	curl -s https://dot.net/v1/dotnet-install.sh &> dotnet-install.sh \
+		&& chmod +x dotnet-install.sh \
+		&& ./dotnet-install.sh --runtime dotnet --channel 1.0 --version 1.1.10 --install-dir $NETCORE_INSTALL_DIR \
+		&& ln -s $NETCORE_INSTALL_DIR/dotnet /usr/bin/dotnet \
+		&& rm dotnet-install.sh
+fi
diff --git a/source/loaders/js_loader/CMakeLists.txt b/source/loaders/js_loader/CMakeLists.txt
index 0a423da73..7f6c5e872 100644
--- a/source/loaders/js_loader/CMakeLists.txt
+++ b/source/loaders/js_loader/CMakeLists.txt
@@ -7,7 +7,9 @@ endif()
 # External dependencies
 #
 
-find_package(V8 5.1.117)
+set(ICU_FIND_VERSION 52.1)
+
+find_package(V8 5.1.117) # 5.8.283
 
 if(NOT V8_FOUND)
 	message(STATUS "V8 libraries not found")
@@ -227,7 +229,7 @@ install(TARGETS ${target}
 
 # Runtime (pack the runtime meanwhile V8 is not distributed correctly as a library)
 install(FILES
-	${V8_LIBRARIES_VERSION}
+	${V8_LIBRARIES_DEPENDS}
 	DESTINATION ${INSTALL_LIB}
 	COMPONENT runtime
 )
diff --git a/tools/metacall-environment.sh b/tools/metacall-environment.sh
index 2ab47890c..56dd24305 100755
--- a/tools/metacall-environment.sh
+++ b/tools/metacall-environment.sh
@@ -155,7 +155,6 @@ sub_netcore(){
 sub_v8repo(){
 	echo "configure v8 from repository"
 	cd $ROOT_DIR
-	$SUDO_CMD apt-get -y --no-install-recommends install add-apt-key
 	$SUDO_CMD apt-get $APT_CACHE_CMD -y --no-install-recommends install software-properties-common
 
 	# V8 5.1
@@ -183,19 +182,19 @@ sub_v8repo(){
 		$SUDO_CMD apt-get $APT_CACHE_CMD -y --no-install-recommends install libicu55 libv8-5.2-dev
 	fi
 
-	# V8 5.8
-	if [ $INSTALL_V8REPO58 = 1 ]; then
-		$SUDO_CMD add-apt-repository -y ppa:pinepain/libv8-5.8
-		$SUDO_CMD apt-get update
-		$SUDO_CMD apt-get $APT_CACHE_CMD -y --no-install-recommends install libicu55 libv8-5.8-dev
-	fi
-
 	# V8 5.7
 	if [ $INSTALL_V8REPO57 = 1 ]; then
 		$SUDO_CMD add-apt-repository -y ppa:pinepain/libv8-5.7
 		$SUDO_CMD apt-get update
 		$SUDO_CMD apt-get $APT_CACHE_CMD -y --no-install-recommends install libicu55 libv8-5.7-dev
 	fi
+
+	# V8 5.8
+	if [ $INSTALL_V8REPO58 = 1 ]; then
+		$SUDO_CMD sh -c "echo \"deb http://ppa.launchpad.net/pinepain/libv8-archived/ubuntu trusty main\" > /etc/apt/sources.list.d/libv8-archived.list"
+		$SUDO_CMD apt-get update
+		$SUDO_CMD apt-get $APT_CACHE_CMD -y --no-install-recommends install libicu57 libv8-5.8.283 libv8-5.8-dev
+	fi
 }
 
 # V8