diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 71e74d7..6a60be9 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -14,6 +14,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - name: Check php version
+      run: php --version
+
     - name: Validate composer.json and composer.lock
       run: composer validate
 
diff --git a/Dockerfile b/Dockerfile
index da9f06a..2f780d3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/node:12-buster-slim as builder
+FROM docker.io/node:12-bullseye-slim as builder
 LABEL author="Devin Matte <matted@csh.rit.edu>"
 
 WORKDIR /usr/src/schedule
@@ -11,10 +11,10 @@ COPY assets ./assets
 RUN npm run-script build
 
 
-FROM docker.io/php:7.3-apache
+FROM docker.io/php:8.1-apache-bullseye
 LABEL author="Devin Matte <matted@csh.rit.edu>"
 
-RUN echo "deb-src http://deb.debian.org/debian buster main" >> /etc/apt/sources.list
+RUN echo "deb-src http://deb.debian.org/debian bullseye main" >> /etc/apt/sources.list
 
 RUN apt-get -yq update && \
     apt-get -yq install \
diff --git a/composer.json b/composer.json
index b0d3841..7f2b5b1 100644
--- a/composer.json
+++ b/composer.json
@@ -21,7 +21,7 @@
     }
   ],
   "require": {
-    "php": ">=7.3",
+    "php": ">=8.1",
     "aws/aws-sdk-php": "^3.69",
     "ext-imagick": "*",
     "ext-json": "*"