diff --git a/models/marts/metrics.yml b/models/marts/metrics.yml
index 6745790..cd6d8c1 100644
--- a/models/marts/metrics.yml
+++ b/models/marts/metrics.yml
@@ -43,3 +43,5 @@ metrics:
     label: Active authors
     type_params:
         measure: active_authors
+    filter: |
+      {{ Dimension('repo__author') }} != 'github-actions[bot]'
diff --git a/models/staging/stg_commits.sql b/models/staging/stg_commits.sql
index f04dda3..e789e01 100644
--- a/models/staging/stg_commits.sql
+++ b/models/staging/stg_commits.sql
@@ -17,7 +17,8 @@ renamed as (
         email,
         message,
         date as datetime,
-        raw_date
+        raw_date,
+        concat('UTC', substr(raw_date, 20)) as utc_offset
     from source
 
 )