diff --git a/Dockerfile b/Dockerfile
index eae49e8..378fa11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN set -ex; \
     cd /flox/backend; \
     composer install;
 
-FROM php:7.3.20-fpm-buster@sha256:c0d4ec65270f791db7c6c20e6f001fcab86f89a45376a8c635f6f365f0edeb8c
+FROM php:7.4.8-fpm-buster@sha256:7e29c1c4f29c398fa9191a5b7d1537b72ba8846117e2d30592b49995f7a8e441
 COPY --from=composer /flox /usr/share/flox
 RUN set -ex; \
     \