diff --git a/README.md b/README.md
index 4839065a0..fd6eae835 100644
--- a/README.md
+++ b/README.md
@@ -20,9 +20,9 @@ On Arch/Parabola:
 
 ``` bash
 sudo pacman -S tor python-pip python-pysocks python-pycryptodome \
-               imagemagick python-pillow \
-			   python-requests perl-image-exiftool python-numpy \
-			   python-dateutil certbot
+               imagemagick python-pillow python-requests \
+	       perl-image-exiftool python-numpy python-dateutil \
+	       certbot flake8
 ```
 
 Or on Debian:
@@ -31,9 +31,11 @@ Or on Debian:
 sudo apt install -y \
     tor python3-socks imagemagick \
     python3-numpy python3-setuptools \
-	python3-crypto python3-cryptodome \
-    python3-dateutil python3-pil.imagetk python3-idna \
-	python3-requests libimage-exiftool-perl certbot nginx
+    python3-crypto python3-cryptodome \
+    python3-dateutil python3-pil.imagetk
+    python3-idna python3-requests \
+    libimage-exiftool-perl python3-flake8 \
+    certbot nginx
 ```
 
 ## Installation
diff --git a/website/index.html b/website/index.html
index 5d960530e..414f0c263 100644
--- a/website/index.html
+++ b/website/index.html
@@ -1252,7 +1252,7 @@
     <p class="intro">You will need python version 3.7 or later.</p>
     <p class="intro">On a Debian based system:</p>
     <div class="shell">
-      <p>sudo apt install -y tor python3-socks imagemagick python3-numpy python3-setuptools python3-crypto python3-cryptodome python3-dateutil python3-pil.imagetk python3-idna python3-requests libimage-exiftool-perl certbot nginx</p>
+      <p>sudo apt install -y tor python3-socks imagemagick python3-numpy python3-setuptools python3-crypto python3-cryptodome python3-dateutil python3-pil.imagetk python3-idna python3-requests python3-flake8 libimage-exiftool-perl certbot nginx</p>
     </div>
 
     <p class="intro">