diff --git a/.gitignore b/.gitignore
index 03da585..4446ce6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # Ignore PHPUnit bin download and run cache artifact
 bin/phpunit-9.phar
+bin/phpunit-10.phar
 .phpunit*.cache
 
 # Ignore run artifacts
diff --git a/Dockerfile b/Dockerfile
index d169f3b..e96c0f6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.2.7-cli-alpine3.18 AS build
+FROM php:8.3.3-cli-alpine3.18 AS build
 
 RUN apk update && \
   apk add --no-cache ca-certificates curl jo zip unzip
@@ -7,21 +7,21 @@ WORKDIR /usr/local/bin
 
 RUN curl -L -o install-php-extensions https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions && \
   chmod +x install-php-extensions && \
-  install-php-extensions ds-1.4.0 intl
+  install-php-extensions ds-1.5.0 intl
 
-RUN curl -L -o phpunit-9.phar https://phar.phpunit.de/phpunit-9.phar && \
-  chmod +x phpunit-9.phar
+RUN curl -L -o phpunit-10.phar https://phar.phpunit.de/phpunit-10.phar && \
+  chmod +x phpunit-10.phar
 
 WORKDIR /usr/local/bin/junit-handler/
 COPY --from=composer:2.5.8 /usr/bin/composer /usr/local/bin/composer
 COPY junit-handler/ .
 RUN composer install --no-interaction 
 
-FROM php:8.2.7-cli-alpine3.18 AS runtime
+FROM php:8.3.3-cli-alpine3.18 AS runtime
 
 COPY --from=build /usr/bin/jo /usr/bin/jo
 COPY --from=build /usr/local/lib/php/extensions /usr/local/lib/php/extensions
-COPY --from=build /usr/local/bin/phpunit-9.phar /opt/test-runner/bin/phpunit-9.phar
+COPY --from=build /usr/local/bin/phpunit-10.phar /opt/test-runner/bin/phpunit-10.phar
 COPY --from=build /usr/local/bin/junit-handler /opt/test-runner/junit-handler
 
 # Use the default production configuration
diff --git a/README.md b/README.md
index a8c8999..a8e5866 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This is a minimal test runner for Exercism's v3 platform.  It meets the minimal
 
 ### Dockerimage
 
-The website uses isolated docker images to run untrusted code in a sandbox.  Image consists of PHP 8.2.7 (PHPUnit 9/10). All final assets are built into the image, because the image does not have network access once in use.
+The website uses isolated docker images to run untrusted code in a sandbox.  Image consists of PHP 8.3.3 (PHPUnit 9/10). All final assets are built into the image, because the image does not have network access once in use.
 
 Includes php extensions: ds, intl
 
diff --git a/bin/run.sh b/bin/run.sh
index 462a3a2..8e9c953 100755
--- a/bin/run.sh
+++ b/bin/run.sh
@@ -2,9 +2,10 @@
 
 set -euo pipefail
 
-PHPUNIT_BIN="./bin/phpunit-9.phar"
+PHPUNIT_BIN="./bin/phpunit-10.phar"
 XML_RESULTS='results.xml'
 JSON_RESULTS='results.json'
+XDEBUG_MODE='off'
 
 function main {
   exercise_slug="${1}"
@@ -16,7 +17,6 @@ function main {
   phpunit_output=$(eval "${PHPUNIT_BIN}" \
     -d memory_limit=300M \
     --log-junit "${output_dir%/}/${XML_RESULTS}" \
-    --verbose \
     --no-configuration \
     --do-not-cache-result \
     "${test_files%%*( )}" 2>&1)