diff --git a/.github/workflows/gh-release.yaml b/.github/workflows/gh-release.yaml
index 94216d13..7314097f 100644
--- a/.github/workflows/gh-release.yaml
+++ b/.github/workflows/gh-release.yaml
@@ -46,7 +46,7 @@ jobs:
           fi
 
           # this will be the NPM dist-tag
-          GIT_ID=$(echo "${REF}" | sed 's/[^a-zA-Z0-9_-]/-/g')
+          GIT_ID=$(echo "${REF}" | sed 's/[^a-zA-Z0-9-]/-/g')
 
           # run 'lerna version' to get next prerelease
           yarn -s lerna version prerelease --no-git-tag-version --preid $GIT_ID --ignore-scripts --exact --yes
diff --git a/.github/workflows/npm-publish-canary.yaml b/.github/workflows/npm-publish-canary.yaml
index 93d57dde..f630dda4 100644
--- a/.github/workflows/npm-publish-canary.yaml
+++ b/.github/workflows/npm-publish-canary.yaml
@@ -55,7 +55,7 @@ jobs:
         fi
 
         # this will be the NPM dist-tag
-        GIT_ID=$(echo "${REF}" | sed 's/[^a-zA-Z0-9_-]/-/g')
+        GIT_ID=$(echo "${REF}" | sed 's/[^a-zA-Z0-9-]/-/g')
 
         # run 'lerna version' to get next prerelease
         yarn -s lerna version prerelease --no-git-tag-version --preid $GIT_ID --ignore-scripts --exact --yes