diff --git a/.github/workflows/sorted.yml b/.github/workflows/sorted.yml
new file mode 100644
index 0000000..6b2af9e
--- /dev/null
+++ b/.github/workflows/sorted.yml
@@ -0,0 +1,16 @@
+name: Exercise order
+
+on:
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  call-gha-workflow:
+    name: Check
+    uses: exercism/github-actions/.github/workflows/sorted.yml@main
+    with:
+      ordering: ".difficulty, .lowercase_name"
diff --git a/config.json b/config.json
index 4ecaade..ab342c4 100644
--- a/config.json
+++ b/config.json
@@ -106,6 +106,14 @@
         "prerequisites": [],
         "difficulty": 2
       },
+      {
+        "slug": "line-up",
+        "name": "Line up",
+        "uuid": "bb005a57-11f8-4379-b181-cfb799b04a8f",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 2
+      },
       {
         "slug": "pangram",
         "name": "Pangram",
@@ -673,14 +681,6 @@
         "practices": [],
         "prerequisites": [],
         "difficulty": 8
-      },
-      {
-        "slug": "line-up",
-        "name": "Line up",
-        "uuid": "bb005a57-11f8-4379-b181-cfb799b04a8f",
-        "practices": [],
-        "prerequisites": [],
-        "difficulty": 3
       }
     ]
   },