diff --git a/changelog.md b/changelog.md
index 1a3053a..e311443 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+# [1.7.2] - 2024-08-30
+* Fixed - Set the `opcache.revalidate_freq` to `0` in the `slic` and `wordpress` containers to avoid issues with cached files in tests.
+
 # [1.7.1] - 2024-08-30
 * Fixed - Run the `playwright install` command as root, allow running Playwright tests as the `slic` user.
 * Change - The `playwright install` command will now install only the Chromium browser and its dependencies.
diff --git a/containers/slic/Dockerfile b/containers/slic/Dockerfile
index 6ccbca6..bee8fe5 100644
--- a/containers/slic/Dockerfile
+++ b/containers/slic/Dockerfile
@@ -40,9 +40,6 @@ RUN apt-get update && apt-get upgrade -yqq && apt-get install -yqq --no-install-
 # Configure the uopz extension.
 COPY ./docker-php-ext-uopz.ini /usr/local/etc/php/conf.d/docker-php-ext-uopz.ini
 
-# Use our own ini configuration file to set up some PHP default.
-COPY ./php.ini /usr/local/etc/php/conf.d/999-slic.ini
-
 # Add the XDebug control scripts.
 COPY ./xdebug-on.sh /usr/local/bin/xdebug-on
 COPY ./xdebug-off.sh /usr/local/bin/xdebug-off
diff --git a/containers/slic/php.ini b/containers/slic/php.ini
index 85ac348..7a1a249 100644
--- a/containers/slic/php.ini
+++ b/containers/slic/php.ini
@@ -20,3 +20,11 @@ xdebug.start_with_request=yes
 xdebug.mode=develop,debug,coverage
 xdebug.discover_client_host=1
 xdebug.log_level=0
+
+; Opcache
+opcache.revalidate_freq=0
+opcache.validate_timestamps=1
+opcache.max_accelerated_files=25000
+opcache.memory_consumption=128
+opcache.interned_strings_buffer=16
+
diff --git a/containers/wordpress/Dockerfile b/containers/wordpress/Dockerfile
index b8e8cc6..153d5f0 100644
--- a/containers/wordpress/Dockerfile
+++ b/containers/wordpress/Dockerfile
@@ -11,8 +11,6 @@ RUN chmod a+x /usr/local/bin/xdebug-on && \
     chmod a+x /usr/local/bin/xdebug-off && \
     xdebug-off
 RUN chmod -R a+rwx /usr/local/etc/php/conf.d
-# Use our own ini configuration file to set up some PHP default.
-COPY ./php.ini /usr/local/etc/php/conf.d/999-slic.ini
 
 # Install and make wp-cli binary available and executable by all users.
 ADD https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar /usr/local/bin/wp
diff --git a/containers/wordpress/php.ini b/containers/wordpress/php.ini
index 85ac348..9384500 100644
--- a/containers/wordpress/php.ini
+++ b/containers/wordpress/php.ini
@@ -20,3 +20,10 @@ xdebug.start_with_request=yes
 xdebug.mode=develop,debug,coverage
 xdebug.discover_client_host=1
 xdebug.log_level=0
+
+; Opcache
+opcache.revalidate_freq=0
+opcache.validate_timestamps=1
+opcache.max_accelerated_files=25000
+opcache.memory_consumption=128
+opcache.interned_strings_buffer=16
diff --git a/slic-stack.yml b/slic-stack.yml
index 191486c..f322a8b 100644
--- a/slic-stack.yml
+++ b/slic-stack.yml
@@ -108,6 +108,7 @@ services:
       - ${SLIC_PLUGINS_DIR}:/var/www/html/wp-content/plugins
       - ${SLIC_THEMES_DIR}:/var/www/html/wp-content/themes
       - ${COMPOSER_CACHE_DIR:-./.cache}:/composer-cache
+      - ./containers/wordpress/php.ini:/usr/local/etc/php/conf.d/zz-docker.ini
     healthcheck: # Apache service should be running correctly.
       test: service apache2 status
       start_period: 5s
@@ -197,6 +198,8 @@ services:
       - ${COMPOSER_CACHE_DIR:-./.cache}:/composer-cache
       # Scripts volume
       - ${SLIC_SCRIPTS}:/slic-scripts
+      # Configurable php.ini volume
+      - ./containers/slic/php.ini:/usr/local/etc/php/conf.d/zz-docker.ini
     extra_hosts:
       # Set as host=host.docker.internal in src/slic.php on Linux for XDebug.
       - "${host:-host}:host-gateway"
diff --git a/slic.php b/slic.php
index 69829a6..f94f182 100644
--- a/slic.php
+++ b/slic.php
@@ -34,7 +34,7 @@
 ] );
 
 $cli_name = 'slic';
-const CLI_VERSION = '1.7.1';
+const CLI_VERSION = '1.7.2';
 
 // If the run-time option `-q`, for "quiet", is specified, then do not print the header.
 if ( in_array( '-q', $argv, true ) || ( in_array( 'exec', $argv, true ) && ! in_array( 'help', $argv, true ) ) ) {