diff --git a/src/app/Dockerfile b/src/app/Dockerfile
index 76cc813..79357d9 100644
--- a/src/app/Dockerfile
+++ b/src/app/Dockerfile
@@ -41,7 +41,7 @@ ENV TTRSS_MYSQL_CHARSET="UTF8"
 ENV TTRSS_SELF_URL_PATH="%SELF_URL_PATH"
 ENV TTRSS_SINGLE_USER_MODE=""
 ENV TTRSS_SIMPLE_UPDATE_MODE=""
-ENV TTRSS_PHP_EXECUTABLE="/usr/bin/php"
+ENV TTRSS_PHP_EXECUTABLE="/usr/bin/php8"
 ENV TTRSS_LOCK_DIRECTORY="lock"
 ENV TTRSS_CACHE_DIR="cache"
 ENV TTRSS_ICONS_DIR="feed-icons"