diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 82618bb3..b18f031f 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,3 +5,15 @@ updates:
     directory: "/" # Location of package manifests
     schedule:
       interval: "daily"
+  # Maintain compat entries of Julia dependencies (replaces CompatHelper).
+  # The `docs` project is part of the workspace defined in Project.toml and
+  # is therefore resolved together with the package.
+  - package-ecosystem: "julia"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    groups:
+      # Group all Julia package updates into a single PR
+      all-julia-packages:
+        patterns:
+          - "*"
diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
deleted file mode 100644
index d94b38df..00000000
--- a/.github/workflows/CompatHelper.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: CompatHelper
-on:
-  schedule:
-    - cron: 0 0 * * *
-  workflow_dispatch:
-jobs:
-  CompatHelper:
-    runs-on: ubuntu-latest
-    steps:
-      - name: "Add the General registry via Git"
-        run: |
-          import Pkg
-          ENV["JULIA_PKG_SERVER"] = ""
-          Pkg.Registry.add("General")
-        shell: julia --color=yes {0}
-      - name: "Install CompatHelper"
-        run: |
-          import Pkg
-          name = "CompatHelper"
-          uuid = "aa819f21-2bde-4658-8897-bab36330d9b7"
-          version = "3"
-          Pkg.add(; name, uuid, version)
-        shell: julia --color=yes {0}
-      - name: "Run CompatHelper"
-        run: |
-          import CompatHelper
-          CompatHelper.main()
-        shell: julia --color=yes {0}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          COMPATHELPER_PRIV: ${{ secrets.DOCUMENTER_KEY }}
-          # COMPATHELPER_PRIV: ${{ secrets.COMPATHELPER_PRIV }}
diff --git a/Project.toml b/Project.toml
index bc723cb4..2bfc409c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,7 +33,7 @@ StatsFuns = "0.9, 1.0, 2"
 Tables = "0.2, 1"
 Test = "1"
 TestSetExtensions = "3"
-WeakRefStrings = "1"
+WeakRefStrings = "1.4, 2"
 julia = "1.6"
 
 [extras]
@@ -47,3 +47,6 @@ WeakRefStrings = "ea10d353-3f73-51f8-a26c-33c1cb351aa5"
 
 [targets]
 test = ["Aqua", "CategoricalArrays", "DataFrames", "Statistics", "Test", "TestSetExtensions", "WeakRefStrings"]
+
+[workspace]
+projects = ["docs"]