diff --git a/docker/spec/dependabot/docker/file_fetcher_spec.rb b/docker/spec/dependabot/docker/file_fetcher_spec.rb
index acb444010be..976039f809b 100644
--- a/docker/spec/dependabot/docker/file_fetcher_spec.rb
+++ b/docker/spec/dependabot/docker/file_fetcher_spec.rb
@@ -273,8 +273,12 @@
       matching_filenames = [
         "other-values.yml",
         "other-values.yaml",
+        "other_values.yml",
+        "other_values.yaml",
         "values.yml",
         "values.yaml",
+        "values-other.yml",
+        "values-other.yaml",
         "values_other.yml",
         "values_other.yaml",
         "values2.yml",
diff --git a/docker/spec/fixtures/github/contents_helm_repo.json b/docker/spec/fixtures/github/contents_helm_repo.json
index a3633c4ae43..6ac7b6f8b95 100644
--- a/docker/spec/fixtures/github/contents_helm_repo.json
+++ b/docker/spec/fixtures/github/contents_helm_repo.json
@@ -127,6 +127,38 @@
       "html": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile"
     }
   },
+  {
+    "name": "other_values.yml",
+    "path": "other_values.yml",
+    "sha": "311f9743315183cc6751313cb251cfeb3de45c1a",
+    "size": 4927,
+    "url": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+    "html_url": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile",
+    "git_url": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+    "download_url": "https://raw.githubusercontent.com/dependabot/dependabot-core/master/Dockerfile",
+    "type": "file",
+    "_links": {
+      "self": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+      "git": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+      "html": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile"
+    }
+  },
+  {
+    "name": "other_values.yaml",
+    "path": "other_values.yaml",
+    "sha": "311f9743315183cc6751313cb251cfeb3de45c1a",
+    "size": 4927,
+    "url": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+    "html_url": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile",
+    "git_url": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+    "download_url": "https://raw.githubusercontent.com/dependabot/dependabot-core/master/Dockerfile",
+    "type": "file",
+    "_links": {
+      "self": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+      "git": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+      "html": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile"
+    }
+  },
   {
     "name": "values.yml",
     "path": "values.yml",
@@ -159,6 +191,38 @@
       "html": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile"
     }
   },
+  {
+    "name": "values-other.yml",
+    "path": "values_other.yml",
+    "sha": "311f9743315183cc6751313cb251cfeb3de45c1a",
+    "size": 4927,
+    "url": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+    "html_url": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile",
+    "git_url": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+    "download_url": "https://raw.githubusercontent.com/dependabot/dependabot-core/master/Dockerfile",
+    "type": "file",
+    "_links": {
+      "self": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+      "git": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+      "html": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile"
+    }
+  },
+  {
+    "name": "values-other.yaml",
+    "path": "values_other.yaml",
+    "sha": "311f9743315183cc6751313cb251cfeb3de45c1a",
+    "size": 4927,
+    "url": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+    "html_url": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile",
+    "git_url": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+    "download_url": "https://raw.githubusercontent.com/dependabot/dependabot-core/master/Dockerfile",
+    "type": "file",
+    "_links": {
+      "self": "https://api.github.com/repos/dependabot/dependabot-core/contents/Dockerfile?ref=master",
+      "git": "https://api.github.com/repos/dependabot/dependabot-core/git/blobs/311f9743315183cc6751313cb251cfeb3de45c1a",
+      "html": "https://github.com/dependabot/dependabot-core/blob/main/Dockerfile"
+    }
+  },
   {
     "name": "values_other.yml",
     "path": "values_other.yml",