diff --git a/tests/docker/php7.1/Dockerfile b/tests/docker/php7.1/Dockerfile
index 415670a..a9707f9 100644
--- a/tests/docker/php7.1/Dockerfile
+++ b/tests/docker/php7.1/Dockerfile
@@ -28,7 +28,7 @@ RUN composer self-update --preview
 
 FROM php_fpm AS php_fpm_xdebug
 
-RUN pecl install xdebug \
+RUN pecl install xdebug-2.8.1 \
     && docker-php-ext-enable xdebug
 
 RUN php -v && php -m && composer --ansi --version --no-interaction
diff --git a/tests/docker/php7.2/Dockerfile b/tests/docker/php7.2/Dockerfile
index 6e1cd24..1770e5e 100644
--- a/tests/docker/php7.2/Dockerfile
+++ b/tests/docker/php7.2/Dockerfile
@@ -28,7 +28,7 @@ RUN composer self-update --preview
 
 FROM php_fpm AS php_fpm_xdebug
 
-RUN pecl install xdebug \
+RUN pecl install xdebug-2.8.1 \
     && docker-php-ext-enable xdebug
 
 RUN php -v && php -m && composer --ansi --version --no-interaction
diff --git a/tests/docker/php7.3/Dockerfile b/tests/docker/php7.3/Dockerfile
index df2c687..761ed20 100644
--- a/tests/docker/php7.3/Dockerfile
+++ b/tests/docker/php7.3/Dockerfile
@@ -28,7 +28,7 @@ RUN composer self-update --preview
 
 FROM php_fpm AS php_fpm_xdebug
 
-RUN pecl install xdebug \
+RUN pecl install xdebug-2.9.8 \
     && docker-php-ext-enable xdebug
 
 RUN php -v && php -m && composer --ansi --version --no-interaction
diff --git a/tests/docker/php7.4/Dockerfile b/tests/docker/php7.4/Dockerfile
index cfd12fa..43a814b 100644
--- a/tests/docker/php7.4/Dockerfile
+++ b/tests/docker/php7.4/Dockerfile
@@ -28,7 +28,7 @@ RUN composer self-update --preview
 
 FROM php_fpm AS php_fpm_xdebug
 
-RUN pecl install xdebug \
+RUN pecl install xdebug-2.9.8 \
     && docker-php-ext-enable xdebug
 
 RUN php -v && php -m && composer --ansi --version --no-interaction