diff --git a/conf/gitlab.rb b/conf/gitlab.rb
index cd80802..80a5d90 100644
--- a/conf/gitlab.rb
+++ b/conf/gitlab.rb
@@ -1320,9 +1320,7 @@ puma['port'] = __PORT_PUMA__
 # sidekiq['log_format'] = "json"
 # sidekiq['shutdown_timeout'] = 4
 # sidekiq['interval'] = nil
-# sidekiq['concurrency'] = nil
-# sidekiq['max_concurrency'] = 20
-# sidekiq['min_concurrency'] = nil
+# sidekiq['concurrency'] = 20
 
 ##! GitLab allows route a job to a particular queue determined by an array of ##! routing rules.
 ##! Each routing rule is a tuple of queue selector query and corresponding queue. By default,
diff --git a/manifest.toml b/manifest.toml
index 4f84440..bfbd1ac 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "GitLab"
 description.en = "Git-repository manager providing wiki, issue-tracking and CI/CD pipeline features"
 description.fr = "Gestionnaire de dépôts Git proposant des fonctionnalités de wiki, suivi de bugs et de pipeline CI/CD"
 
-version = "16.11.2~ynh1"
+version = "17.0.0~ynh1"
 
 maintainers = ["kay0u"]
 
diff --git a/scripts/upgrade.d/upgrade.16.last.sh b/scripts/upgrade.d/upgrade.16.last.sh
new file mode 100644
index 0000000..1d6e233
--- /dev/null
+++ b/scripts/upgrade.d/upgrade.16.last.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+gitlab_version="16.11.2"
+
+# Upgrade path: https://gitlab-com.gitlab.io/support/toolbox/upgrade-path/
+# sha256sum found here: https://packages.gitlab.com/gitlab
+gitlab_debian_version="$(lsb_release -sc)"
+
+gitlab_x86_64_bookworm_source_sha256="339c827c08697817df5ed05387df9a58d2bf138181bb9c2b7b11a3803ab12e7c"
+gitlab_x86_64_bullseye_source_sha256="6199c64689c31cf48225d064001f645540c139931699930fba4a9ad1e539c205"
+gitlab_x86_64_buster_source_sha256="433bd5d6d2988b276d3767912e3035f3eb913d7e98a7ceb46e0325a4be0af0b4"
+
+gitlab_arm64_bookworm_source_sha256="98e259ffe7c1466836b762c7b41e7d1203b31cc440129046ec1ca0072ae76df1"
+gitlab_arm64_bullseye_source_sha256="9c53d88dff37bd64b1e5d9832edec5984a6420475d21dc32cb46281268eaafec"
+gitlab_arm64_buster_source_sha256="951bb731adf2177b1fd74b0cc0f774cd7ee3b4ea951216cf1f245a78bcbc6159"
+
+gitlab_arm_bookworm_source_sha256=""
+gitlab_arm_bullseye_source_sha256="56180fb6c7565fbccff14d868ccb3412a89c11212726a91e576df8fce5d79288"
+gitlab_arm_buster_source_sha256="b5e42c8f3c32683df957d1522c39af0165a33e27132a55fb18690db56f662ab8"
+
+architecture=$(ynh_app_setting_get --app="$app" --key=architecture)
+
+# Evaluating indirect/reference variables https://mywiki.wooledge.org/BashFAQ/006#Indirection 
+# ref=gitlab_${architecture}_${gitlab_debian_version}_source_sha256
+# gitlab_source_sha256=${!ref}
+
+if [ "$architecture" = "x86-64" ]; then
+	if [ "$gitlab_debian_version" = "bookworm" ]
+	then
+		gitlab_source_sha256=$gitlab_x86_64_bookworm_source_sha256
+	elif [ "$gitlab_debian_version" = "bullseye" ]
+	then
+		gitlab_source_sha256=$gitlab_x86_64_bullseye_source_sha256
+	elif [ "$gitlab_debian_version" = "buster" ]
+	then
+		gitlab_source_sha256=$gitlab_x86_64_buster_source_sha256
+	fi
+elif [ "$architecture" = "arm64" ]; then
+	if [ "$gitlab_debian_version" = "bookworm" ]
+	then
+		gitlab_source_sha256=$gitlab_arm64_bookworm_source_sha256
+	elif [ "$gitlab_debian_version" = "bullseye" ]
+	then
+		gitlab_source_sha256=$gitlab_arm64_bullseye_source_sha256
+	elif [ "$gitlab_debian_version" = "buster" ]
+	then
+		gitlab_source_sha256=$gitlab_arm64_buster_source_sha256
+	fi
+elif [ "$architecture" = "arm" ]; then
+	if [ "$gitlab_debian_version" = "bookworm" ]
+	then
+		gitlab_source_sha256=$gitlab_arm_bookworm_source_sha256
+		if [ -z "$gitlab_arm_bookworm_source_sha256" ]
+		then
+			gitlab_source_sha256=$gitlab_arm_bullseye_source_sha256
+		fi
+	elif [ "$gitlab_debian_version" = "bullseye" ]
+	then
+		gitlab_source_sha256=$gitlab_arm_bullseye_source_sha256
+	elif [ "$gitlab_debian_version" = "buster" ]
+	then
+		gitlab_source_sha256=$gitlab_arm_buster_source_sha256
+	fi
+fi
+
+gitlab_filename="gitlab-ce-${gitlab_version}.deb"
+
+# Action to do in case of failure of the package_check
+package_check_action() {
+	ynh_backup_if_checksum_is_different --file="$config_path/gitlab.rb"
+	cat <<EOF >> "$config_path/gitlab.rb"
+# Last chance to fix Gitlab
+package['modify_kernel_parameters'] = false
+EOF
+	ynh_store_file_checksum --file="$config_path/gitlab.rb"
+}
diff --git a/scripts/upgrade.d/upgrade.last.sh b/scripts/upgrade.d/upgrade.last.sh
index 1d6e233..103fed2 100644
--- a/scripts/upgrade.d/upgrade.last.sh
+++ b/scripts/upgrade.d/upgrade.last.sh
@@ -1,22 +1,22 @@
 #!/bin/bash
 
-gitlab_version="16.11.2"
+gitlab_version="17.0.0"
 
 # Upgrade path: https://gitlab-com.gitlab.io/support/toolbox/upgrade-path/
 # sha256sum found here: https://packages.gitlab.com/gitlab
 gitlab_debian_version="$(lsb_release -sc)"
 
-gitlab_x86_64_bookworm_source_sha256="339c827c08697817df5ed05387df9a58d2bf138181bb9c2b7b11a3803ab12e7c"
-gitlab_x86_64_bullseye_source_sha256="6199c64689c31cf48225d064001f645540c139931699930fba4a9ad1e539c205"
-gitlab_x86_64_buster_source_sha256="433bd5d6d2988b276d3767912e3035f3eb913d7e98a7ceb46e0325a4be0af0b4"
+gitlab_x86_64_bookworm_source_sha256="e8578507c0f14253a7d702e8305c9689742da89e8ff25c1c43f485f64d7a0bb3"
+gitlab_x86_64_bullseye_source_sha256="ac33d4abf6856067c26b74ab263819db80111a1a0dd5e159e2a2a8f865b4f67f"
+gitlab_x86_64_buster_source_sha256="31790cddd976a803a79dcb2ab62a0420e223c0ac80f23a91684cbe21b513aa09"
 
-gitlab_arm64_bookworm_source_sha256="98e259ffe7c1466836b762c7b41e7d1203b31cc440129046ec1ca0072ae76df1"
-gitlab_arm64_bullseye_source_sha256="9c53d88dff37bd64b1e5d9832edec5984a6420475d21dc32cb46281268eaafec"
-gitlab_arm64_buster_source_sha256="951bb731adf2177b1fd74b0cc0f774cd7ee3b4ea951216cf1f245a78bcbc6159"
+gitlab_arm64_bookworm_source_sha256="a885abfbf62f1993d00fc639a3aa60ce577fce9cb099f87bf48530d4f9fa530d"
+gitlab_arm64_bullseye_source_sha256="7e8b3210983b1260cda9ea935dc517c71485da0040f8a2964fc4bee60ca20648"
+gitlab_arm64_buster_source_sha256="41a82d681025493103b9aaae5d701576fb3ba34d16c28696e0b2a8148790101e"
 
 gitlab_arm_bookworm_source_sha256=""
-gitlab_arm_bullseye_source_sha256="56180fb6c7565fbccff14d868ccb3412a89c11212726a91e576df8fce5d79288"
-gitlab_arm_buster_source_sha256="b5e42c8f3c32683df957d1522c39af0165a33e27132a55fb18690db56f662ab8"
+gitlab_arm_bullseye_source_sha256="15ab0c73b8708aeba897d1c7d55f5b487ff6996c66bfb0f6b115075dee274c6a"
+gitlab_arm_buster_source_sha256="30dd1a11f50de3b9c2e73cbbb833a53b23d1e62db63ac6c9c29dfa000132a04c"
 
 architecture=$(ynh_app_setting_get --app="$app" --key=architecture)