diff --git a/2021.09/apache/Dockerfile b/2021.09/apache/Dockerfile
index 0b129e8..51845a7 100644
--- a/2021.09/apache/Dockerfile
+++ b/2021.09/apache/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.3-apache-buster
+FROM php:7.4-apache-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -65,6 +65,7 @@ RUN set -ex; \
         libmemcached-dev \
         libgraphicsmagick1-dev \
         libfreetype6-dev \
+        libwebp-dev \
         librsvg2-2 \
         libzip-dev \
         libldap2-dev \
@@ -73,10 +74,9 @@ RUN set -ex; \
         debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     docker-php-ext-configure ldap \
         --with-libdir=lib/$debMultiarch/ \
@@ -84,6 +84,7 @@ RUN set -ex; \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
         gd \
+        exif \
         zip \
         opcache \
         ctype \
diff --git a/2021.09/fpm-alpine/Dockerfile b/2021.09/fpm-alpine/Dockerfile
index 63f2ad8..38bb081 100644
--- a/2021.09/fpm-alpine/Dockerfile
+++ b/2021.09/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.3-fpm-alpine
+FROM php:7.4-fpm-alpine
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -54,6 +54,7 @@ RUN set -ex; \
         cyrus-sasl-dev \
         libjpeg-turbo-dev \
         freetype-dev \
+        libwebp-dev \
         librsvg \
         pcre-dev \
         libzip-dev \
@@ -62,14 +63,14 @@ RUN set -ex; \
     ; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
+        exif \
         gd \
         zip \
         opcache \
diff --git a/2021.09/fpm/Dockerfile b/2021.09/fpm/Dockerfile
index 862ad22..2fba160 100644
--- a/2021.09/fpm/Dockerfile
+++ b/2021.09/fpm/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.3-fpm-buster
+FROM php:7.4-fpm-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -65,6 +65,7 @@ RUN set -ex; \
         libmemcached-dev \
         libgraphicsmagick1-dev \
         libfreetype6-dev \
+        libwebp-dev \
         librsvg2-2 \
         libzip-dev \
         libldap2-dev \
@@ -73,10 +74,9 @@ RUN set -ex; \
         debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     docker-php-ext-configure ldap \
         --with-libdir=lib/$debMultiarch/ \
@@ -84,6 +84,7 @@ RUN set -ex; \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
         gd \
+        exif \
         zip \
         opcache \
         ctype \
diff --git a/2021.12-dev/apache/Dockerfile b/2021.12-dev/apache/Dockerfile
index dbf271d..0a0a2be 100644
--- a/2021.12-dev/apache/Dockerfile
+++ b/2021.12-dev/apache/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.3-apache-buster
+FROM php:7.4-apache-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -65,6 +65,7 @@ RUN set -ex; \
         libmemcached-dev \
         libgraphicsmagick1-dev \
         libfreetype6-dev \
+        libwebp-dev \
         librsvg2-2 \
         libzip-dev \
         libldap2-dev \
@@ -73,10 +74,9 @@ RUN set -ex; \
         debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     docker-php-ext-configure ldap \
         --with-libdir=lib/$debMultiarch/ \
@@ -84,6 +84,7 @@ RUN set -ex; \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
         gd \
+        exif \
         zip \
         opcache \
         ctype \
diff --git a/2021.12-dev/fpm-alpine/Dockerfile b/2021.12-dev/fpm-alpine/Dockerfile
index c34c82d..9bc61b4 100644
--- a/2021.12-dev/fpm-alpine/Dockerfile
+++ b/2021.12-dev/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.3-fpm-alpine
+FROM php:7.4-fpm-alpine
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -54,6 +54,7 @@ RUN set -ex; \
         cyrus-sasl-dev \
         libjpeg-turbo-dev \
         freetype-dev \
+        libwebp-dev \
         librsvg \
         pcre-dev \
         libzip-dev \
@@ -62,14 +63,14 @@ RUN set -ex; \
     ; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
+        exif \
         gd \
         zip \
         opcache \
diff --git a/2021.12-dev/fpm/Dockerfile b/2021.12-dev/fpm/Dockerfile
index a949f92..d0fcb5f 100644
--- a/2021.12-dev/fpm/Dockerfile
+++ b/2021.12-dev/fpm/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.3-fpm-buster
+FROM php:7.4-fpm-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -65,6 +65,7 @@ RUN set -ex; \
         libmemcached-dev \
         libgraphicsmagick1-dev \
         libfreetype6-dev \
+        libwebp-dev \
         librsvg2-2 \
         libzip-dev \
         libldap2-dev \
@@ -73,10 +74,9 @@ RUN set -ex; \
         debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     docker-php-ext-configure ldap \
         --with-libdir=lib/$debMultiarch/ \
@@ -84,6 +84,7 @@ RUN set -ex; \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
         gd \
+        exif \
         zip \
         opcache \
         ctype \
diff --git a/2021.12-rc/apache/Dockerfile b/2021.12-rc/apache/Dockerfile
index 689f2b4..aeeae37 100644
--- a/2021.12-rc/apache/Dockerfile
+++ b/2021.12-rc/apache/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.3-apache-buster
+FROM php:7.4-apache-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -65,6 +65,7 @@ RUN set -ex; \
         libmemcached-dev \
         libgraphicsmagick1-dev \
         libfreetype6-dev \
+        libwebp-dev \
         librsvg2-2 \
         libzip-dev \
         libldap2-dev \
@@ -73,10 +74,9 @@ RUN set -ex; \
         debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     docker-php-ext-configure ldap \
         --with-libdir=lib/$debMultiarch/ \
@@ -84,6 +84,7 @@ RUN set -ex; \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
         gd \
+        exif \
         zip \
         opcache \
         ctype \
diff --git a/2021.12-rc/fpm-alpine/Dockerfile b/2021.12-rc/fpm-alpine/Dockerfile
index 6a57046..a12850c 100644
--- a/2021.12-rc/fpm-alpine/Dockerfile
+++ b/2021.12-rc/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.3-fpm-alpine
+FROM php:7.4-fpm-alpine
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -54,6 +54,7 @@ RUN set -ex; \
         cyrus-sasl-dev \
         libjpeg-turbo-dev \
         freetype-dev \
+        libwebp-dev \
         librsvg \
         pcre-dev \
         libzip-dev \
@@ -62,14 +63,14 @@ RUN set -ex; \
     ; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
+        exif \
         gd \
         zip \
         opcache \
diff --git a/2021.12-rc/fpm/Dockerfile b/2021.12-rc/fpm/Dockerfile
index f7232d5..7a1e6be 100644
--- a/2021.12-rc/fpm/Dockerfile
+++ b/2021.12-rc/fpm/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.3-fpm-buster
+FROM php:7.4-fpm-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -65,6 +65,7 @@ RUN set -ex; \
         libmemcached-dev \
         libgraphicsmagick1-dev \
         libfreetype6-dev \
+        libwebp-dev \
         librsvg2-2 \
         libzip-dev \
         libldap2-dev \
@@ -73,10 +74,9 @@ RUN set -ex; \
         debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     docker-php-ext-configure ldap \
         --with-libdir=lib/$debMultiarch/ \
@@ -84,6 +84,7 @@ RUN set -ex; \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
         gd \
+        exif \
         zip \
         opcache \
         ctype \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 380c701..84665aa 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -53,6 +53,7 @@ RUN set -ex; \
         cyrus-sasl-dev \
         libjpeg-turbo-dev \
         freetype-dev \
+        libwebp-dev \
         librsvg \
         pcre-dev \
         libzip-dev \
@@ -61,14 +62,14 @@ RUN set -ex; \
     ; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
+        exif \
         gd \
         zip \
         opcache \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index c5982b7..375cc3e 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -1,4 +1,4 @@
-FROM php:%%PHP_VERSION%%-%%VARIANT%%-buster
+FROM php:%%PHP_VERSION%%-%%VARIANT%%-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
@@ -64,6 +64,7 @@ RUN set -ex; \
         libmemcached-dev \
         libgraphicsmagick1-dev \
         libfreetype6-dev \
+        libwebp-dev \
         librsvg2-2 \
         libzip-dev \
         libldap2-dev \
@@ -72,10 +73,9 @@ RUN set -ex; \
         debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
     \
     docker-php-ext-configure gd \
-        --with-gd \
-        --with-freetype-dir=/usr/include/ \
-        --with-png-dir=/usr/include/ \
-        --with-jpeg-dir=/usr/include/ \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
     ; \
     docker-php-ext-configure ldap \
         --with-libdir=lib/$debMultiarch/ \
@@ -83,6 +83,7 @@ RUN set -ex; \
     docker-php-ext-install -j "$(nproc)" \
         pdo_mysql \
         gd \
+        exif \
         zip \
         opcache \
         ctype \
diff --git a/update.sh b/update.sh
index 831c4b2..87f803a 100755
--- a/update.sh
+++ b/update.sh
@@ -2,7 +2,7 @@
 set -eo pipefail
 
 declare -A php_version=(
-  [default]='7.3'
+  [default]='7.4'
 )
 
 declare -A cmd=(