diff --git a/Dockerfile b/Dockerfile
index 493882e..3a521bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,8 +9,7 @@ RUN apk --update add libgcc
 ENV PACKAGES="gcc musl-dev python3-dev libffi-dev openssl-dev cargo"
 
 RUN apk --update add $PACKAGES \
-    && pip install --upgrade pip setuptools-rust \
-    && python setup.py install \
+    && python -m pip install .\
     && apk del --purge $PACKAGES
 
 ENTRYPOINT ["/usr/local/bin/gimme-aws-creds"]
diff --git a/README.md b/README.md
index 40049ed..79d8dd5 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ __OR__
 Install the gimme-aws-creds package if you have already cloned the source:
 
 ```bash
-python3 setup.py install
+python -m pip install .
 ```
 
 __OR__
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..223b5c0
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "setuptools-rust", "gimme_aws_creds"]
+build-backend = "setuptools.build_meta"