diff --git a/action.yml b/action.yml
index 34c3921..88928e2 100644
--- a/action.yml
+++ b/action.yml
@@ -37,6 +37,14 @@ inputs:
     required: false
     default: ''
 
+outputs:
+  computed-prefix:
+    description: >
+      The computed prefix, including '-' and 'v' if found.
+  version:
+    description:
+      The version number extracted from the tag. The tag name is a concatenation of computed-prefix
+      and version.
 runs:
   using: node16
   main: main.js
diff --git a/main.sh b/main.sh
index 3552b6f..a0a778d 100755
--- a/main.sh
+++ b/main.sh
@@ -98,3 +98,8 @@ fi
 
 # https://cli.github.com/manual/gh_release_create
 gh release create ${draft_option:-} "${tag}" ${prerelease:-} --title "${title}" --notes "${notes:-}"
+
+# set (computed) prefix and version outputs for future step use
+computed_prefix=${tag%"$version"}
+echo "::set-output name=computed-prefix::${computed_prefix}"
+echo "::set-output name=version::${version}"