diff --git a/Dockerfile b/Dockerfile
index ce79717..f9c200c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,7 @@ RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local
 # DOWNLOAD AND INSTALL INVOICE NINJA
 #####
 
-ENV INVOICENINJA_VERSION 3.1.2
+ENV INVOICENINJA_VERSION 3.1.3
 
 RUN curl -o invoiceninja.tar.gz -SL https://github.com/hillelcoren/invoice-ninja/archive/v${INVOICENINJA_VERSION}.tar.gz \
     && tar -xzf invoiceninja.tar.gz -C /var/www/ \