diff --git a/README.md b/README.md
index 629da51..a72013f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <!--
-N.B.: This README was automatically generated by https://github.com/YunoHost/apps/tree/master/tools/README-generator
+N.B.: This README was automatically generated by https://github.com/YunoHost/apps/tree/master/tools/readme_generator
 It shall NOT be edited by hand.
 -->
 
@@ -62,4 +62,4 @@ or
 sudo yunohost app upgrade paperless-ngx -u https://github.com/YunoHost-Apps/paperless-ngx_ynh/tree/testing --debug
 ```
 
-**More info regarding app packaging:** <https://yunohost.org/packaging_apps>
+**More info regarding app packaging:** <https://yunohost.org/packaging_apps>
\ No newline at end of file
diff --git a/README_fr.md b/README_fr.md
index 1d0e6bf..fbcb36c 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -1,5 +1,5 @@
 <!--
-N.B.: This README was automatically generated by https://github.com/YunoHost/apps/tree/master/tools/README-generator
+N.B.: This README was automatically generated by https://github.com/YunoHost/apps/tree/master/tools/readme_generator
 It shall NOT be edited by hand.
 -->
 
diff --git a/conf/paperless.conf.example b/conf/paperless.conf.example
index 81304ec..91dff1e 100644
--- a/conf/paperless.conf.example
+++ b/conf/paperless.conf.example
@@ -81,7 +81,7 @@ PAPERLESS_CONSUMER_IGNORE_PATTERNS=[".DS_STORE/*", "._*", ".stfolder/*", ".*"]
 # Binaries
 
 #PAPERLESS_CONVERT_BINARY=/usr/bin/convert
-#PAPERLESS_GS_BINARY=/usr/bin/gs
+PAPERLESS_GS_BINARY=__INSTALL_DIR__/bin/gs
 #PAPERLESS_OPTIPNG_BINARY=/usr/bin/optipng
 
 # YunoHost tweaks
diff --git a/conf/policy.xml b/conf/policy.xml
new file mode 100644
index 0000000..35ec974
--- /dev/null
+++ b/conf/policy.xml
@@ -0,0 +1,23 @@
+<policymap>
+  <!-- temporary path must be a preexisting writable directory -->
+  <policy domain="resource" name="temporary-path" value="__DATA_DIR__/imagemagick"/>
+  <policy domain="resource" name="memory" value="256MiB"/>
+  <policy domain="resource" name="list-length" value="32"/>
+  <policy domain="resource" name="width" value="8KP"/>
+  <policy domain="resource" name="height" value="8KP"/>
+  <policy domain="resource" name="map" value="512MiB"/>
+  <policy domain="resource" name="area" value="16KP"/>
+  <policy domain="resource" name="disk" value="1GiB"/>
+  <policy domain="resource" name="file" value="768"/>
+  <policy domain="resource" name="thread" value="2"/>
+  <policy domain="resource" name="time" value="120"/>
+  <policy domain="module" rights="none" pattern="URL" />
+  <policy domain="coder" rights="read | write" pattern="{MSVG,MVG,PS,PDF,RSVG,SVG,XPS}" />
+  <policy domain="filter" rights="none" pattern="*" />
+  <policy domain="path" rights="none" pattern="-"/>  <!-- don't read/write from/to stdin/stdout -->
+  <policy domain="path" rights="none" pattern="/etc/*"/>  <!-- don't read sensitive paths -->
+  <policy domain="path" rights="none" pattern="@*"/>  <!-- indirect reads not permitted -->
+  <policy domain="cache" name="memory-map" value="anonymous"/>
+  <policy domain="cache" name="synchronize" value="true"/>
+  <policy domain="system" name="shred" value="1"/>
+</policymap>
diff --git a/conf/systemd-consumer.service b/conf/systemd-consumer.service
index 1a1bf8b..9563edc 100644
--- a/conf/systemd-consumer.service
+++ b/conf/systemd-consumer.service
@@ -6,6 +6,7 @@ Requires=redis.service
 Type=simple
 User=__APP__
 Group=__APP__
+Environment=PATH=__LOCAL_PATH__
 WorkingDirectory=__INSTALL_DIR__/src/
 ExecStart=__INSTALL_DIR__/venv/bin/python3 manage.py document_consumer
 StandardOutput=append:/var/log/__APP__/__APP__-consumer.log
diff --git a/conf/systemd-scheduler.service b/conf/systemd-scheduler.service
index 240dbfe..5b6f132 100644
--- a/conf/systemd-scheduler.service
+++ b/conf/systemd-scheduler.service
@@ -6,6 +6,7 @@ Requires=redis.service
 Type=simple
 User=__APP__
 Group=__APP__
+Environment=PATH=__LOCAL_PATH__
 WorkingDirectory=__INSTALL_DIR__/src/
 ExecStart=__INSTALL_DIR__/venv/bin/celery --app paperless beat --loglevel INFO
 StandardOutput=append:/var/log/__APP__/__APP__-scheduler.log
diff --git a/conf/systemd-task-queue.service b/conf/systemd-task-queue.service
index 72982cc..3e8a1e1 100644
--- a/conf/systemd-task-queue.service
+++ b/conf/systemd-task-queue.service
@@ -6,6 +6,7 @@ Requires=redis.service
 Type=simple
 User=__APP__
 Group=__APP__
+Environment=PATH=__LOCAL_PATH__
 WorkingDirectory=__INSTALL_DIR__/src/
 ExecStart=__INSTALL_DIR__/venv/bin/celery --app paperless worker --loglevel INFO
 StandardOutput=append:/var/log/__APP__/__APP__-task-queue.log
diff --git a/conf/systemd.service b/conf/systemd.service
index 1f93cdf..7a88f28 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -8,6 +8,7 @@ Requires=redis.service
 Type=simple
 User=__APP__
 Group=__APP__
+Environment=PATH=__LOCAL_PATH__
 WorkingDirectory=__INSTALL_DIR__/src/
 ExecStart=__INSTALL_DIR__/venv/bin/uvicorn --port=__PORT__ --log-level=warning paperless.asgi:application
 StandardOutput=append:/var/log/__APP__/__APP__.log
diff --git a/doc/PRE_UPGRADE.d/2.4.3~ynh2.md b/doc/PRE_UPGRADE.d/2.4.3~ynh2.md
new file mode 100644
index 0000000..a07324f
--- /dev/null
+++ b/doc/PRE_UPGRADE.d/2.4.3~ynh2.md
@@ -0,0 +1,3 @@
+Starting 2.4.3~ynh2, and while YunoHost 12 is yet to be released, Paperless-NGX will require to build its Ghostscript dependency to be able to process documents.
+
+Expect a longer upgrade !
diff --git a/manifest.toml b/manifest.toml
index 7d73c54..3206098 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -61,12 +61,16 @@ ram.runtime = "350M"
         autoupdate.strategy = "latest_github_release"
         autoupdate.asset = "paperless-ngx-.*.tar.xz"
 
+        [resources.sources.gs]
+        url = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs10021/ghostpdl-10.02.1.tar.gz"
+        sha256 = "25399af0ef5bb94f2a13c91dc785c128d14f16744c4c92fa7c86e011c23151d8"
+
     [resources.system_user]
 
     [resources.install_dir]
 
     [resources.data_dir]
-    subdirs = ["consume", "data", "media"]
+    subdirs = ["consume", "data", "media", "imagemagick"]
 
     [resources.permissions]
     main.url = "/"
diff --git a/scripts/install b/scripts/install
index 43462c2..f5f87df 100755
--- a/scripts/install
+++ b/scripts/install
@@ -17,6 +17,8 @@ ynh_script_progression --message="Setting up source files..." --weight=1
 
 ynh_setup_source --dest_dir="$install_dir"
 
+ynh_setup_source --dest_dir="$install_dir/ghostscript" --source_id="gs"
+
 chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:$app "$install_dir"
@@ -55,6 +57,24 @@ pushd $install_dir
 )
 popd
 
+#=================================================
+# BUILD GHOSTCRIPT SPECIFIC VERSION
+#=================================================
+ynh_script_progression --message="Building Ghostscript dependency... (this will take a long time!)"
+
+pushd $install_dir/ghostscript
+    ynh_exec_warn_less ./configure
+    ynh_exec_warn_less make
+    mv bin/ $install_dir/
+popd
+
+ynh_secure_remove --file="$install_dir/ghostscript"
+chmod -R o-rwx "$install_dir/bin"
+chown -R $app:$app "$install_dir/bin"
+chmod 550 $install_dir/bin/gs
+
+local_path=$install_dir/bin/:$PATH
+
 #=================================================
 # CREATE DATA DIRECTORY
 #=================================================
@@ -83,6 +103,12 @@ ynh_add_config --template="paperless.conf.example" --destination="$install_dir/p
 chmod 400 "$install_dir/paperless.conf"
 chown $app:$app "$install_dir/paperless.conf"
 
+# ImageMagick configuration
+mkdir -p "$install_dir/.config/ImageMagick"
+ynh_add_config --template="policy.xml" --destination="$install_dir/.config/ImageMagick/policy.xml"
+chmod 400 "$install_dir/.config/ImageMagick/policy.xml"
+chown -R $app:$app "$install_dir/.config"
+
 #=================================================
 # SETUP THE DATABASE
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 78ad9e1..6be9942 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -95,6 +95,29 @@ pushd $install_dir
 )
 popd
 
+#=================================================
+# BUILD GHOSTCRIPT SPECIFIC VERSION
+#=================================================
+if ! dpkg --compare-versions "$($install_dir/bin/gs --version 2>/dev/null)" ge "10.02.1"
+then
+    ynh_script_progression --message="Building Ghostscript dependency... (this will take a long time!)"
+
+    ynh_setup_source --dest_dir="$install_dir/ghostscript" --source_id="gs" --full_replace
+
+    pushd $install_dir/ghostscript
+        ynh_exec_warn_less ./configure
+        ynh_exec_warn_less make
+        mv bin/ $install_dir/
+    popd
+
+    ynh_secure_remove --file="$install_dir/ghostscript"
+    chmod -R o-rwx "$install_dir/bin"
+    chown -R $app:$app "$install_dir/bin"
+    chmod 550 $install_dir/bin/gs
+fi
+
+local_path=$install_dir/bin/:$PATH
+
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
@@ -105,6 +128,12 @@ ynh_add_config --template="paperless.conf.example" --destination="$install_dir/p
 chmod 400 "$install_dir/paperless.conf"
 chown $app:$app "$install_dir/paperless.conf"
 
+# ImageMagick configuration
+mkdir -p "$install_dir/.config/ImageMagick"
+ynh_add_config --template="policy.xml" --destination="$install_dir/.config/ImageMagick/policy.xml"
+chmod 400 "$install_dir/.config/ImageMagick/policy.xml"
+chown -R $app:$app "$install_dir/.config"
+
 #=================================================
 # SETUP THE DATABASE
 #=================================================