diff --git a/.github/workflows/deploy-demo.yml b/.github/workflows/deploy-demo.yml
index 9e3169f..1e77d0a 100644
--- a/.github/workflows/deploy-demo.yml
+++ b/.github/workflows/deploy-demo.yml
@@ -17,7 +17,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v1
       with:
-        python-version: 3.8
+        python-version: "3.10"
     - uses: actions/cache@v1
       name: Configure pip caching
       with:
@@ -95,7 +95,7 @@ jobs:
       with:
         path: github.db
     - name: Set up Cloud Run
-      uses: google-github-actions/setup-gcloud@master
+      uses: google-github-actions/setup-gcloud@v0
       with:
         version: '275.0.0'
         service_account_email: ${{ secrets.GCP_SA_EMAIL }}
@@ -108,11 +108,11 @@ jobs:
             -m demo-metadata.json \
             --service github-to-sqlite \
             --branch=main \
-            --install=py-gfm \
             --install=datasette-search-all>=0.3 \
             --install=datasette-render-markdown>=1.1.2 \
-            --install=datasette-pretty-json \
+            --install=datasette-pretty-json>=0.2.2 \
             --install=datasette-json-html \
             --install=datasette-vega \
             --install=datasette-render-images \
-            --install=datasette-graphql
+            --install=datasette-graphql \
+            --install=datasette-atom
diff --git a/README.md b/README.md
index d4c1f5b..0801ebb 100644
--- a/README.md
+++ b/README.md
@@ -208,7 +208,7 @@ The command accepts one or more repositories.
 
 Add `-v` for verbose output.
 
-Example: [dependents table](https://github-to-sqlite.dogsheep.net/github/dependents)
+Example: [dependents table](https://github-to-sqlite.dogsheep.net/github/dependents?_sort_desc=first_seen_utc)
 
 ## Fetching emojis
 
diff --git a/demo-metadata.json b/demo-metadata.json
index 293c947..c04aa5a 100644
--- a/demo-metadata.json
+++ b/demo-metadata.json
@@ -45,10 +45,7 @@
                                 "span": [
                                     "class"
                                 ]
-                            },
-                            "extensions": [
-                                "mdx_gfm:GithubFlavoredMarkdownExtension"
-                            ]
+                            }
                         }
                     }
                 },
@@ -89,10 +86,7 @@
                                 "span": [
                                     "class"
                                 ]
-                            },
-                            "extensions": [
-                                "mdx_gfm:GithubFlavoredMarkdownExtension"
-                            ]
+                            }
                         }
                     }
                 },
@@ -138,10 +132,7 @@
                                 "span": [
                                     "class"
                                 ]
-                            },
-                            "extensions": [
-                                "mdx_gfm:GithubFlavoredMarkdownExtension"
-                            ]
+                            }
                         }
                     }
                 },
@@ -180,10 +171,7 @@
                                 "span": [
                                     "class"
                                 ]
-                            },
-                            "extensions": [
-                                "mdx_gfm:GithubFlavoredMarkdownExtension"
-                            ]
+                            }
                         }
                     }
                 }
diff --git a/github_to_sqlite/cli.py b/github_to_sqlite/cli.py
index 864af86..748bd21 100644
--- a/github_to_sqlite/cli.py
+++ b/github_to_sqlite/cli.py
@@ -564,7 +564,7 @@ def emojis(db_path, auth, fetch):
     help="Accept header to send, e.g. application/vnd.github.VERSION.html",
 )
 def get(url, auth, paginate, nl, accept):
-    "Save repos owened by the specified (or authenticated) username or organization"
+    "Make an authenticated HTTP GET against the specified URL"
     token = load_token(auth)
     first = True
     should_output_closing_brace = not nl
diff --git a/github_to_sqlite/utils.py b/github_to_sqlite/utils.py
index ca1347f..6f4fd86 100644
--- a/github_to_sqlite/utils.py
+++ b/github_to_sqlite/utils.py
@@ -223,6 +223,11 @@ def save_pull_requests(db, pull_requests, repo):
 
 
 def save_user(db, user):
+    # Under some conditions, GitHub caches removed repositories with  
+    # stars and ends up leaving dangling `None` user references.
+    if user is None:
+        return None
+    
     # Remove all url fields except avatar_url and html_url
     to_save = {
         key: value
diff --git a/setup.py b/setup.py
index d33ead4..1a39f65 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 import os
 
-VERSION = "2.8.2"
+VERSION = "2.8.3"
 
 
 def get_long_description():