diff --git a/layers/fpm-dev/Dockerfile b/layers/fpm-dev/Dockerfile
index a0e55afd..72991f53 100644
--- a/layers/fpm-dev/Dockerfile
+++ b/layers/fpm-dev/Dockerfile
@@ -10,7 +10,7 @@ ARG PHP_VERSION
 RUN mkdir -p /opt/bref/extensions
 
 # Install xdebug
-RUN pecl install xdebug-3.4.2
+RUN pecl install xdebug-3.4.3
 RUN cp $(php -r "echo ini_get('extension_dir');")/xdebug.so /opt/bref/extensions
 
 # Install Blackfire