diff --git a/dev/datasets/gammapy-data-index.json b/dev/datasets/gammapy-data-index.json
index ab92aa819c1..8b63f4dcf2d 100644
--- a/dev/datasets/gammapy-data-index.json
+++ b/dev/datasets/gammapy-data-index.json
@@ -2925,6 +2925,12 @@
     "filesize": 4063,
     "hashmd5": "5dc6ee7eb3d6eb37d1c35ead8e2e9e70"
    },
+   {
+    "path": "tests/models/gc_example_data_g09.fits",
+    "url": "https://github.com/gammapy/gammapy-extra/raw/master/datasets/tests/models/gc_example_data_g09.fits",
+    "filesize": 60480,
+    "hashmd5": "d7c1f27cb35868b8c8df511be4f76d23"
+   },
    {
     "path": "tests/models/shell.xml",
     "url": "https://github.com/gammapy/gammapy-extra/raw/master/datasets/tests/models/shell.xml",
@@ -2949,6 +2955,24 @@
     "filesize": 5178,
     "hashmd5": "9c68dbe906afc246367811fbfea090a3"
    },
+   {
+    "path": "tests/models/gc_example_datasets.yaml",
+    "url": "https://github.com/gammapy/gammapy-extra/raw/master/datasets/tests/models/gc_example_datasets.yaml",
+    "filesize": 331,
+    "hashmd5": "4a0c1c1c9b1e8d3aaedb6cd62417a4ba"
+   },
+   {
+    "path": "tests/models/gc_example_models.yaml",
+    "url": "https://github.com/gammapy/gammapy-extra/raw/master/datasets/tests/models/gc_example_models.yaml",
+    "filesize": 2156,
+    "hashmd5": "a912d6dab7adb0fadf540f2db15df0c1"
+   },
+   {
+    "path": "tests/models/gc_example_data_gc.fits",
+    "url": "https://github.com/gammapy/gammapy-extra/raw/master/datasets/tests/models/gc_example_data_gc.fits",
+    "filesize": 60480,
+    "hashmd5": "34fdb92130bfc27dccc269b446ff102f"
+   },
    {
     "path": "tests/models/README.rst",
     "url": "https://github.com/gammapy/gammapy-extra/raw/master/datasets/tests/models/README.rst",