diff --git a/.github/workflows/publish_internal.yaml b/.github/workflows/publish_internal.yaml
index 28510590..87ad62f7 100644
--- a/.github/workflows/publish_internal.yaml
+++ b/.github/workflows/publish_internal.yaml
@@ -10,7 +10,7 @@ on:
     branches: [ main ]
     types: [opened, synchronize, reopened, labeled, unlabeled]
   push:
-    tags: [ '[A-z]+-v[0-9]+.[0-9]+.[0-9]+*' ]
+    tags: [ '[A-z0-9]+-v[0-9]+.[0-9]+.[0-9]+*' ]
 
 jobs:
   publish:
diff --git a/pkgs/firehose/README.md b/pkgs/firehose/README.md
index 57d80f1d..352995f6 100644
--- a/pkgs/firehose/README.md
+++ b/pkgs/firehose/README.md
@@ -58,7 +58,7 @@ the tag pattern must be prefixed with the package name, e.g. `foo-v1.2.3`.
 - copy the yaml below into a `.github/workflows/publish.yaml` file in your repo
 - update the target branch below if necessary (currently, `main`)
 - if publishing from a mono-repo, adjust the 'tags' line below to
-  `tags: [ '[_0-9A-z]+-v[0-9]+.[0-9]+.[0-9]+' ]`
+  `tags: [ '[0-9A-z]+-v[0-9]+.[0-9]+.[0-9]+' ]`
 - from the pub.dev admin page of your package, enable publishing from GitHub
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