diff --git a/Dockerfile b/Dockerfile
index 2ea34b0..526508a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -50,13 +50,14 @@ RUN    curl -fSL "https://releases.wikimedia.org/mediawiki/${MEDIAWIKI_MAJOR_VER
     && echo "${MEDIAWIKI_SHA512} *mediawiki.tar.gz" | sha512sum -c - \
     && tar -xz --strip-components=1 -f mediawiki.tar.gz \
     && rm mediawiki.tar.gz \
-    && curl https://getcomposer.org/composer.phar -o composer.phar
+    && curl https://getcomposer.org/1.10.7/composer.phar -o composer.phar
 
 # Manually install extensions & skins
-RUN    curl -fSL 'https://extdist.wmflabs.org/dist/extensions/AbuseFilter-REL1_31-adc0789.tar.gz' | tar -xz -C ./extensions \
+RUN    curl -fSL 'https://extdist.wmflabs.org/dist/extensions/AbuseFilter-REL1_31-7b66a2c.tar.gz' | tar -xz -C ./extensions \
     && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/AntiSpoof-REL1_31-48ed1f8.tar.gz' | tar -xz -C ./extensions \
+    && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/Capiunto-REL1_31-cbcd67b.tar.gz' | tar -xz -C ./extensions \
     && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/GeoData-REL1_31-96cda6b.tar.gz' | tar -xz -C ./extensions \
-    && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/MobileFrontend-REL1_31-289f540.tar.gz' | tar -xz -C ./extensions \
+    && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/MobileFrontend-REL1_31-db6d3d1.tar.gz' | tar -xz -C ./extensions \
     && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/OpenIDConnect-REL1_31-baea47f.tar.gz' | tar -xz -C ./extensions \
     && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/PluggableAuth-REL1_31-300ac44.tar.gz' | tar -xz -C ./extensions \
     && curl -fSL 'https://extdist.wmflabs.org/dist/extensions/Scribunto-REL1_31-106fbf4.tar.gz' | tar -xz -C ./extensions \