diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index 84c7e539f..3bb2444b5 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -12,7 +12,7 @@ RUN apt-get -y update && apt-get -y install llvm
 
 # run-time dependencies for uniworx binary
 RUN apt-get -y update && apt-get -y install fonts-roboto
-RUN apt-get -y update && apt-get -y install pdftk
+# RUN apt-get -y update && apt-get -y install pdftk
 RUN apt-get -y update && apt-get -y install texlive-base luatex
 
 ENV LANG=en_US.UTF-8