diff --git a/Dockerfile b/Dockerfile
index e759fb0..e14a2ce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN set -ex; \
     go mod vendor; \
     go install;
 
-FROM composer:1.10.19@sha256:594befc8126f09039ad17fcbbd2e4e353b1156aba20556a6c474a8ed07ed7a5a AS composer
+FROM composer:1.10.20@sha256:7358761a795cd2f850bead7d18523d6edf23198fcc69fd65cae7f62c1f85f52f AS composer
 
 ENV FLOX_VERSION master