diff --git a/debian/Dockerfile b/debian/Dockerfile
index 58c71bf..b429b9a 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -56,7 +56,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
 
 # Install PHP extensions
-RUN ( curl -sSLf https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions -o - || echo 'return 1' ) | sh -s \
+COPY --from=ghcr.io/mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/
+
+RUN install-php-extensions \
     ${php_require} \
     ${php_suggest} \
     ${php_extra}