3 files changed, 5 insertions, 4 deletions

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b1b660144..b9c5180eb 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -74,7 +74,7 @@ _Note:_ This list can likely get outdated. If so, please refer to the specific v
 #### Debian/Ubuntu
 
 ```bash
-apt install ca-certificates curl netbase wget tzdata rpm
+apt-get update -y && apt install -y gcc-multilib rpm ruby gem && gem install fpm --no-ri --no-rdoc --no-document
 ```
 
 #### Fedora
diff --git a/Dockerfile b/Dockerfile
index b6526460f..9e87709d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,12 +8,12 @@ ENV PATH="/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/sna
 
 ARG DEBIAN_FRONTEND=noninteractive
 # Note: This is added for building on ARM machines
-ARG USE_SYSTEM_FPM="true"
+ARG USE_SYSTEM_FPM=true
 # Note: Added to bypass the error with missing git repo information for the 'preval-build-info' module
 ARG PREVAL_BUILD_INFO_PLACEHOLDERS=true
 
-RUN apt-get update \
-  && apt-get install -y rpm ruby gem \
+RUN sudo apt-get update \
+  && apt-get install gcc-multilib rpm ruby gem \
   && gem install fpm --no-ri --no-rdoc --no-document
 
 WORKDIR /usr/src/ferdi
diff --git a/electron-builder.yml b/electron-builder.yml
index 998434c2a..48b3c4767 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -55,6 +55,7 @@ linux:
   target:
     - target: AppImage
     - target: deb
+      arch: [x64, arm64, armv7l]
     - target: tar.gz
     - target: rpm
     - target: freebsd