diff --git a/7.4/Dockerfile b/7.4/Dockerfile
index 53b5fd5..3e83eee 100644
--- a/7.4/Dockerfile
+++ b/7.4/Dockerfile
@@ -5,6 +5,8 @@ ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/do
 
 # Install dependencies
 RUN apk add --no-cache \
+    autoconf \
+    automake \
     bash \
     curl \
     freetype-dev \
diff --git a/8.0/Dockerfile b/8.0/Dockerfile
index 0ba162c..1a36ba2 100644
--- a/8.0/Dockerfile
+++ b/8.0/Dockerfile
@@ -5,6 +5,8 @@ ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/do
 
 # Install dependencies
 RUN apk add --no-cache \
+    autoconf \
+    automake \
     bash \
     curl \
     freetype-dev \
diff --git a/8.1/Dockerfile b/8.1/Dockerfile
index 136b999..22ec01d 100644
--- a/8.1/Dockerfile
+++ b/8.1/Dockerfile
@@ -5,6 +5,8 @@ ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/do
 
 # Install dependencies
 RUN apk add --no-cache \
+    autoconf \
+    automake \
     bash \
     curl \
     freetype-dev \