diff --git a/cspell.json b/cspell.json
index f2d4a424..8d308b75 100644
--- a/cspell.json
+++ b/cspell.json
@@ -99,7 +99,7 @@
         "*.ini",
         "*.toml",
         "docker-compose*",
-        "*.dockerfile",
+        "Dockerfile",
         "*.pyc",
         ".vscode/*",
         "test_collections/sdk_tests/sdk_checkout",
@@ -108,4 +108,4 @@
     "enableFiletypes": [
         "shellscript"
     ]
-}
\ No newline at end of file
+}