diff --git a/docs/push.md b/docs/push.md
index 2f74101b..c76d48f3 100644
--- a/docs/push.md
+++ b/docs/push.md
@@ -155,7 +155,7 @@ multirun(
 | :------------- | :------------- | :------------- | :------------- | :------------- |
 | <a id="oci_push_rule-name"></a>name |  A unique name for this target.   | <a href="https://bazel.build/concepts/labels#target-names">Name</a> | required |  |
 | <a id="oci_push_rule-image"></a>image |  Label to an oci_image or oci_image_index   | <a href="https://bazel.build/concepts/labels">Label</a> | required |  |
-| <a id="oci_push_rule-remote_tags"></a>remote_tags |  a .txt file containing tags, one per line. These are passed to [`crane tag`]( https://github.com/google/go-containerregistry/blob/main/cmd/crane/doc/crane_tag.md)   | <a href="https://bazel.build/concepts/labels">Label</a> | optional |  `None`  |
+| <a id="oci_push_rule-remote_tags"></a>remote_tags |  a text file containing tags, one per line. These are passed to [`crane tag`]( https://github.com/google/go-containerregistry/blob/main/cmd/crane/doc/crane_tag.md)   | <a href="https://bazel.build/concepts/labels">Label</a> | optional |  `None`  |
 | <a id="oci_push_rule-repository"></a>repository |  Repository URL where the image will be signed at, e.g.: `index.docker.io/<user>/image`. Digests and tags are not allowed.   | String | optional |  `""`  |
 | <a id="oci_push_rule-repository_file"></a>repository_file |  The same as 'repository' but in a file. This allows pushing to different repositories based on stamping.   | <a href="https://bazel.build/concepts/labels">Label</a> | optional |  `None`  |
 
diff --git a/oci/private/push.bzl b/oci/private/push.bzl
index 38961dbe..f4e97b10 100644
--- a/oci/private/push.bzl
+++ b/oci/private/push.bzl
@@ -174,11 +174,11 @@ _attrs = {
     ),
     "remote_tags": attr.label(
         doc = """\
-        a .txt file containing tags, one per line.
+        a text file containing tags, one per line.
         These are passed to [`crane tag`](
         https://github.com/google/go-containerregistry/blob/main/cmd/crane/doc/crane_tag.md)
         """,
-        allow_single_file = [".txt"],
+        allow_single_file = True,
     ),
     "_allowlist_function_transition": attr.label(
         default = "@bazel_tools//tools/allowlists/function_transition_allowlist",