diff --git a/Dockerfile b/Dockerfile
index b8739be..4f5456b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,6 +8,7 @@ RUN docker-php-ext-configure pgsql --with-pgsql=/usr/local/pgsql && \
 ENV PLUGGABLE_AUTH_VERSION=REL1_41-0273c84
 ENV OPENID_CONNECT_VERSION=REL1_41-7aa039e
 ENV TEMPLATE_STYLES_VERSION=REL1_41-a9dde29
+ENV QUICK_INSTANT_COMMONS_VERSION=REL1_41-c472ea9
 
 RUN export PLUGGABLE_AUTH_SHA256SUM=9a3d8d7c1e5234bf932747b08b09c2577b08afb252a6dd995b1b0e26beb97af9 && \
     export archive=PluggableAuth-${PLUGGABLE_AUTH_VERSION}.tar.gz && \
@@ -30,6 +31,13 @@ RUN export TEMPLATE_STYLES_SHA256SUM=74c3287f8c8658d6e12dc16a2dd8587505695f684eb
     tar --extract --gzip --file /tmp/${archive} --directory /var/www/html/extensions && \
     rm /tmp/${archive}
 
+RUN export QUICK_INSTANT_COMMONS_SHA256SUM=83dfbc9558255bb6e748b3d794b9e1a5a78395ec337787ab1a0ce7d4e2db6f59 && \
+    export archive=QuickInstantCommons-${QUICK_INSTANT_COMMONS_VERSION}.tar.gz && \
+    curl --location --silent --output /tmp/${archive} https://extdist.wmflabs.org/dist/extensions/${archive} && \
+    echo "${QUICK_INSTANT_COMMONS_SHA256SUM}  /tmp/${archive}" | sha256sum --check && \
+    tar --extract --gzip --file /tmp/${archive} --directory /var/www/html/extensions && \
+    rm /tmp/${archive}
+
 RUN echo '{ "extra": { "merge-plugin": { "include": [ "extensions/OpenIDConnect/composer.json" ] } } }' \
     > /var/www/html/composer.local.json && \
     php -r "copy('https://getcomposer.org/installer', '/tmp/composer-setup.php');" && \
diff --git a/README.md b/README.md
index 66bcc95..777d179 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@ Currently used mediawiki extensions in this customized docker image:
 * [PluggableAuth](https://www.mediawiki.org/wiki/Extension:PluggableAuth)
 * [OpenID_Connect](https://www.mediawiki.org/wiki/Extension:OpenID_Connect)
 * [TemplateStyles](https://www.mediawiki.org/wiki/Extension:TemplateStyles)
+* [QuickInstantCommons](https://www.mediawiki.org/wiki/Extension:QuickInstantCommons)
 
 ### Updating the docker image
 
@@ -22,11 +23,14 @@ First, update the `FROM` image tag in the `Dockerfile` to the newest version,
 for example `1.41.0`.
 
 Next, download the newest version of each extension (matching the mediawiki docker
-image version, e.g. `1.41.0`) and get the SHA256 hash for each file:
+image version, e.g. `1.41.0`) ...
 
 1. PluggableAuth download https://www.mediawiki.org/wiki/Special:ExtensionDistributor/PluggableAuth
 2. OpenID_Connect download https://www.mediawiki.org/wiki/Special:ExtensionDistributor/OpenIDConnect
 3. TemplateStyles download https://www.mediawiki.org/wiki/Special:ExtensionDistributor/TemplateStyles
+4. QuickInstantCommons download https://www.mediawiki.org/wiki/Special:ExtensionDistributor/QuickInstantCommons
+
+... and replace the SHA256 hash in `Dockerfile` for each file by running:
 
 ```
 NEW_PLUGGABLE_AUTH_HASH=$(sha256sum ~/Downloads/PluggableAuth-REL1_41-0273c84.tar.gz | cut -d " " -f1)
@@ -37,10 +41,10 @@ sed -i "s/OPENID_CONNECT_SHA256SUM= *[^ ]*/OPENID_CONNECT_SHA256SUM=${NEW_OPENID
 
 NEW_TEMPLATE_STYLE_HASH=$(sha256sum ~/Downloads/TemplateStyles-REL1_41-a9dde29.tar.gz | cut -d " " -f1)
 sed -i "s/TEMPLATE_STYLES_SHA256SUM= *[^ ]*/TEMPLATE_STYLES_SHA256SUM=${NEW_TEMPLATE_STYLE_HASH}/" Dockerfile
-```
 
-Copy the hash in the output of each command and paste it into the variables
-`*_SHA256SUM` in `Dockerfile`, replacing the old hashes.
+NEW_QUICK_INSTANT_COMMONS_HASH=$(sha256sum ~/Downloads/QuickInstantCommons-REL1_41-c472ea9.tar.gz | cut -d " " -f1)
+sed -i "s/QUICK_INSTANT_COMMONS_SHA256SUM= *[^ ]*/QUICK_INSTANT_COMMONS_SHA256SUM=${NEW_QUICK_INSTANT_COMMONS_HASH}/" Dockerfile
+```
 
 After making your changes and [testing them locally](#local-testing), run the
 following to trigger a [CI build and push](https://git.pub.solar/pub-solar/mediawiki-oidc-docker/actions)