diff --git a/Dockerfile b/Dockerfile
index 4dc2af7..eac121d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,11 +4,22 @@ FROM hashicorp/terraform:1.3.4
 RUN apk add --no-cache \
     ansible \
     bash \
+    cargo \
+    gcc \
+    libffi-dev \
     make \
-    postgresql
+    musl-dev \
+    openssl-dev \
+    postgresql \
+    py3-pip \
+    python3-dev
+
+ARG AZ_VERSION=2.42.0
+RUN pip install --upgrade pip \
+    && pip install -Iv azure-cli==${AZ_VERSION}
 
 ## Install Terragrunt
-ARG TERRAGRUNT_VERSION=0.40.0
+ARG TERRAGRUNT_VERSION=0.40.2
 RUN wget "https://github.com/gruntwork-io/terragrunt/releases/download/v${TERRAGRUNT_VERSION}/terragrunt_linux_amd64" -O /usr/local/bin/terragrunt --no-verbose \
     && chmod +x /usr/local/bin/terragrunt
 
diff --git a/README.md b/README.md
index 07e7d9f..27ea445 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ Terraform version compatibility table:
 
 Furthermore, this Docker image contains the following secondary binaries:
 
+* `az` (Azure CLI)
 * `make`
 * `psql` (Postgresql CLI)
 
@@ -31,22 +32,17 @@ jobs:
       image: ghcr.io/aservo/terragrunt:latest
     steps:
     - name: Versions
-      run: | 
+      run: |
         terraform version
         terragrunt version
 ```
 
 ## Development
 
-Clone the repo by running the following command:
+Clone the repo and change to the directory with the following commands:
 
 ```
 git clone https://github.com/aservo/docker-terragrunt.git
-```
-
-Move to the folder containing DockerFile:
-
-```
 cd docker-terragrunt
 ```
 
@@ -55,7 +51,7 @@ Build image:
 ```
 docker build .
 ...
-Successfully built a123b4c567de 
+Successfully built a123b4c567de
 ```
 
 Run image: