diff --git a/Dockerfile b/Dockerfile
index bfe9f18..86e086f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM mediawiki:1.35
 
 # Plugins are not compatible with composer 2 yet
-ARG COMPOSER_VERSION=1.10.19
+ARG COMPOSER_VERSION=1.10.21
 
 ENV \
     WG_SITENAME="Test Wiki" \
@@ -61,7 +61,7 @@ RUN set -eu; \
 RUN set -eu; \
     cd /var/www/html/extensions; \
     curl https://extdist.wmflabs.org/dist/extensions/JsonConfig-REL1_35-1b79879.tar.gz |tar -xz; \
-    curl https://extdist.wmflabs.org/dist/extensions/Graph-REL1_35-69ec90a.tar.gz |tar -xz; \
+    curl https://extdist.wmflabs.org/dist/extensions/Graph-REL1_35-09f0338.tar.gz |tar -xz; \
     curl https://extdist.wmflabs.org/dist/extensions/SubPageList3-REL1_35-622c298.tar.gz |tar -xz; \
     curl https://extdist.wmflabs.org/dist/extensions/MsUpload-REL1_35-5998b96.tar.gz |tar -xz; \
     curl https://extdist.wmflabs.org/dist/extensions/TemplateStyles-REL1_35-7a40a6a.tar.gz |tar -xz