diff --git a/Dockerfile b/Dockerfile
index 3e6ac8b..6b54b7a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN git clone https://github.com/ahamilton/eris
 RUN cd eris && git checkout d83bea2ba8a419e2b3cd4fd4b3367e25fae6339d
 RUN rm -rf eris/.git
 RUN DEBIAN_FRONTEND=noninteractive apt install -y tzdata
-RUN cd eris && ./install-dependencies
-RUN python3.9 -m pip install ./eris
+RUN cd eris && python3.9 -m pip install -r requirements.txt .
+RUN cd eris && ./install-tools
 
 ENTRYPOINT ["eris"]
diff --git a/README.md b/README.md
index 9d27b22..003043c 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,8 @@ Eris maintains an up-to-date set of reports for every file in a codebase.
 
     # git clone https://github.com/ahamilton/eris
     # cd eris
-    # ./install-dependencies
-    # python3.9 -m pip install .
+    # python3.9 -m pip install -r requirements.txt .
+    # ./install-tools
     # eris -h
 
 ### Docker
diff --git a/install-dependencies b/install-dependencies
deleted file mode 100755
index a742f07..0000000
--- a/install-dependencies
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-
-
-set -e
-
-
-DIST_ID=$(cat /etc/os-release | grep "^ID=" | cut -d "=" -f 2)
-if [ $DIST_ID != "ubuntu" ]; then
-    echo "Eris can only be installed on Ubuntu."
-    exit 1
-fi
-echo "Installing the dependencies of the eris script…"
-sudo apt --yes install python3-pip python3.9 util-linux
-python3.9 -m pip install -r requirements.txt
-echo
-echo "Installing all the tools eris may need…"
-./install-tools
diff --git a/make-appimage.py b/make-appimage.py
index 3f3180b..1176be9 100755
--- a/make-appimage.py
+++ b/make-appimage.py
@@ -69,8 +69,8 @@ def make_ubuntu_base():
 
 
 def install_eris():
-    run_in_container("ubuntu", "./install-dependencies")
-    run_in_container("ubuntu", "pip3 install -I .")
+    run_in_container("ubuntu", "python3.9 -m pip install -r requirements.txt .")
+    run_in_container("ubuntu", "./install-tools")
 
 
 def make_app_dir(app_dir, new_paths):
diff --git a/make-readme.py b/make-readme.py
index 702641c..00cc696 100755
--- a/make-readme.py
+++ b/make-readme.py
@@ -27,8 +27,8 @@ Eris maintains an up-to-date set of reports for every file in a codebase.
 
     # git clone https://github.com/ahamilton/eris
     # cd eris
-    # ./install-dependencies
-    # python3.9 -m pip install .
+    # python3.9 -m pip install -r requirements.txt .
+    # ./install-tools
     # eris -h
 
 ### Docker