diff --git a/Dockerfile b/Dockerfile
index b395cc3..0acdeca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
 FROM mediawiki:latest
 
 RUN apt-get update \
-    && apt-get install -y libldap2-dev git zip \
+    && apt-get install -y libldap2-dev libpng-dev git zip \
     && rm -rf /var/lib/apt/lists/* \
-    && docker-php-ext-install -j$(nproc) ldap
+    && docker-php-ext-install -j$(nproc) ldap gd
 
 COPY composer.local.json /var/www/html/
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
@@ -72,3 +72,8 @@ RUN git clone --depth 1 -b $MEDIAWIKI_BRANCH \
 RUN git clone --depth 1 \
     https://gerrit.wikimedia.org/r/mediawiki/extensions/ExternalData \
     /var/www/html/extensions/ExternalData
+
+# https://www.mediawiki.org/wiki/Extension:QRLite
+RUN git clone --depth 1 \
+    https://github.com/gesinn-it/QRLite \
+    /var/www/html/extensions/QRLite
diff --git a/LocalSettings.php b/LocalSettings.php
index bed02d9..73359b3 100644
--- a/LocalSettings.php
+++ b/LocalSettings.php
@@ -228,6 +228,8 @@ wfLoadExtension( 'TemplateData' );
 
 require_once "$IP/extensions/Widgets/Widgets.php";
 
+require_once "$IP/extensions/QRLite/QRLite.php";
+
 wfLoadExtension( 'ExternalData' );
 $edgStringReplacements['SNIPEIT_URL'] = 'https://inventory.claremontmakerspace.org';
 $edgAllowExternalDataFrom = 'SNIPEIT_URL';