diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4106ceca..c77a90fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby: 
-          - 2.7
+          - 3.1
         postgres_image:
           - postgis/postgis:12-3.3
     services:
@@ -53,7 +53,7 @@ jobs:
           sudo apt-get -y install libgeos-dev
       - name: Install gems
         run: |
-          gem install bundler -v 1.17.3
+          gem install bundler -v 2.3
           bundle config path vendor/bundle
           bundle config without 'javascript_testing'
           bundle config with 'docker'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25eff0a9..48294f89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,7 +28,7 @@ In this case you can simply pull down the version you want, and run `docker-comp
   - **Important** Users who use the docker-compose file will need to either: 
     - dump the database first and then reload because this involves a database version upgrade
     - switch the postgres image back to mdillon/postgis:9.5. This is not recommended because postgres v9.5 is no longer supported.
-
+- Using ruby 3.1 as base
 
 ## [5.4.1] - 2021-10-10
 
diff --git a/Dockerfile b/Dockerfile
index 69d50cba..ef344bac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.7
+FROM ruby:3.1
 LABEL maintainer="Max Burnette <mburnet2@illinois.edu>, Rob Kooper <kooper@illinois.edu>"
 
 # arguments that are added at the bottom of BETY
@@ -34,7 +34,7 @@ RUN apt-get update \
         curl \
         git \
         libgeos-dev \
-        netcat \
+        netcat-openbsd \
         nodejs \
         postgresql-client \
     && rm -rf /var/lib/apt/lists/* \
@@ -46,7 +46,7 @@ WORKDIR /home/bety
 
 # install gems (allowing for caching)
 COPY --chown=bety /Gemfile* /home/bety/
-RUN gem install bundler -v 1.17.3 \
+RUN gem install bundler -v 2.3 \
     && bundle config path vendor/bundle \
     && bundle config without 'test development production debug javascript_testing' \
     && bundle config with 'docker' \