diff --git a/2022.10/apache/Dockerfile b/2022.10/apache/Dockerfile
index 3bb1aec..92e9a11 100644
--- a/2022.10/apache/Dockerfile
+++ b/2022.10/apache/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.4-apache-bullseye
+FROM php:8.0-apache-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/2022.10/fpm-alpine/Dockerfile b/2022.10/fpm-alpine/Dockerfile
index 707667b..a101c06 100644
--- a/2022.10/fpm-alpine/Dockerfile
+++ b/2022.10/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.4-fpm-alpine
+FROM php:8.0-fpm-alpine
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/2022.10/fpm/Dockerfile b/2022.10/fpm/Dockerfile
index 226b374..8cc83bd 100644
--- a/2022.10/fpm/Dockerfile
+++ b/2022.10/fpm/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.4-fpm-bullseye
+FROM php:8.0-fpm-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/2022.12-dev/apache/Dockerfile b/2022.12-dev/apache/Dockerfile
index 77d69c0..ccb4c72 100644
--- a/2022.12-dev/apache/Dockerfile
+++ b/2022.12-dev/apache/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.4-apache-bullseye
+FROM php:8.0-apache-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/2022.12-dev/fpm-alpine/Dockerfile b/2022.12-dev/fpm-alpine/Dockerfile
index 255c791..72567b7 100644
--- a/2022.12-dev/fpm-alpine/Dockerfile
+++ b/2022.12-dev/fpm-alpine/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.4-fpm-alpine
+FROM php:8.0-fpm-alpine
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/2022.12-dev/fpm/Dockerfile b/2022.12-dev/fpm/Dockerfile
index 9973792..58ed29a 100644
--- a/2022.12-dev/fpm/Dockerfile
+++ b/2022.12-dev/fpm/Dockerfile
@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:7.4-fpm-bullseye
+FROM php:8.0-fpm-bullseye
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \
diff --git a/update.sh b/update.sh
index d5f5624..040525c 100755
--- a/update.sh
+++ b/update.sh
@@ -2,7 +2,7 @@
 set -eo pipefail
 
 declare -A php_version=(
-  [default]='7.4'
+  [default]='8.0'
 )
 
 declare -A cmd=(