diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7aeba09d..929a8494 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -42,9 +42,13 @@ Running the [helm chart unit tests](https://github.com/helm-unittest/helm-unitte
 # install the unittest plugin
 helm plugin install https://github.com/helm-unittest/helm-unittest.git
 
-# run the rstudio-connect chart unittests
 # unit tests are defined in `charts/$CHART_NAME/tests`
-helm unittest --color ./charts/rstudio-connect
+
+# test all charts
+just test
+
+# run unit tests for a single chart
+just test rstudio-connect
 ```
 
 ## Templates
diff --git a/Justfile b/Justfile
index 51653743..d12a4330 100644
--- a/Justfile
+++ b/Justfile
@@ -75,6 +75,17 @@ snapshot-rsw-diff:
     fi
   done
 
+test chart='all':
+  #!/usr/bin/env bash
+  set -xe
+  if [[ "{{ chart }}" == 'all' ]]; then
+    for dir in $(ls -d {{ justfile_directory() }}/charts/*/); do
+      helm unittest $dir
+    done
+  else
+    helm unittest "charts/{{ chart }}"
+  fi
+
 test-connect-interpreter-versions:
   #!/usr/bin/env bash
   set -xe
@@ -118,4 +129,4 @@ push-docs:
     # The s3 bucket is s3://docs.rstudio.com/, which is available as https://docs.posit.co/
     aws s3 sync ${s3_args[*]:-} \
         _site \
-        "s3://docs.rstudio.com/helm/"
\ No newline at end of file
+        "s3://docs.rstudio.com/helm/"