diff --git a/Dockerfile b/Dockerfile
index 0ccf878..bfa268f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN set -ex; \
     go mod vendor; \
     go install;
 
-FROM mwalbeck/composer:1.10.25-php7.4@sha256:62f91b02f5e8c96ea0702cba45f190d893a9d188bc7da9efbd68d2b8760c2a9e AS composer
+FROM mwalbeck/composer:2.2.6-php7.4@sha256:07213c9a24000309d2a5842e35f9605f11c086034c94717eb7941c1265ef4de3 AS composer
 
 ENV FLOX_VERSION master