diff --git a/Dockerfile b/Dockerfile
index 8a203b6..1ca8e2c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,11 @@
 FROM php:7.4-apache
 MAINTAINER Tyler Cinkant <tyler.cinkant@ubc.ca>
 
-ENV MOODLE_VERSION=3.9.21
+ENV MOODLE_VERSION=4.1.0
 ENV UPLOAD_MAX_FILESIZE=20M
 ENV PHP_MEMORY_LIMIT=128M
 ENV PHP_MAX_EXECUTION_TIME=30
+ENV PHP_MAX_INPUT_VARS=6000
 
 ARG DEBIAN_FRONTEND=noninteractive
 
diff --git a/custom-php.ini b/custom-php.ini
index 350e7a0..25669e2 100644
--- a/custom-php.ini
+++ b/custom-php.ini
@@ -2,3 +2,4 @@ upload_max_filesize=${UPLOAD_MAX_FILESIZE}
 post_max_size=${UPLOAD_MAX_FILESIZE}
 memory_limit=${PHP_MEMORY_LIMIT}
 max_execution_time=${PHP_MAX_EXECUTION_TIME}
+max_input_vars=${PHP_MAX_INPUT_VARS}
\ No newline at end of file