diff --git a/pkgs/tools/admin/ansible/later.nix b/pkgs/tools/admin/ansible/later.nix
index 9cc7ffb38eb5..db1c7beb2a58 100644
--- a/pkgs/tools/admin/ansible/later.nix
+++ b/pkgs/tools/admin/ansible/later.nix
@@ -26,7 +26,7 @@ python3.pkgs.buildPythonApplication rec {
     "jsonschema"
     "pathspec"
     "python-json-logger"
-    "pyyaml"
+    "PyYAML"
     "toolz"
     "unidiff"
     "yamllint"