diff --git a/Dockerfile b/Dockerfile
index d87f943..5005c85 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,7 +38,7 @@ RUN { \
 # DOWNLOAD AND INSTALL INVOICE NINJA
 #####
 
-ENV INVOICENINJA_VERSION 4.5.4
+ENV INVOICENINJA_VERSION 4.5.5
 
 RUN curl -o ninja.zip -SL https://download.invoiceninja.com/ninja-v${INVOICENINJA_VERSION}.zip \
     && unzip ninja.zip -d /var/www/ \
diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index 463af49..4b1e180 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -35,7 +35,7 @@ RUN { \
 # DOWNLOAD AND INSTALL INVOICE NINJA
 #####
 
-ENV INVOICENINJA_VERSION 4.5.4
+ENV INVOICENINJA_VERSION 4.5.5
 
 RUN curl -o ninja.zip -SL https://download.invoiceninja.com/ninja-v${INVOICENINJA_VERSION}.zip \
     && unzip ninja.zip -d /var/www/ \