diff --git a/Dockerfile b/Dockerfile
index bc24cdc..540fc4c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN set -ex; \
     go mod vendor; \
     go install;
 
-FROM mwalbeck/composer:1.10.20-php7.4@sha256:2008ab5850fde339b39f826689c01ce0e692c01bc5ce6a3c3cb17bdd96a15010 AS composer
+FROM mwalbeck/composer:2.0.11-php7.4@sha256:fd43449700f91595b6a6b4ea9243e16d8c0b4af5f39a85f6e514d328934d33ba AS composer
 
 ENV FLOX_VERSION master