diff --git a/.github/workflows/pr_tests.yml b/.github/workflows/pr_tests.yml
index 30db09a..a4cf0dc 100644
--- a/.github/workflows/pr_tests.yml
+++ b/.github/workflows/pr_tests.yml
@@ -72,7 +72,7 @@ jobs:
             warehouse: "snowflake"
           - dbt_version: "1.8.*"  # Wildcard version for Databricks
             warehouse: "databricks"
-          - dbt_version: "1.8.*"  # Wildcard version for Spark
+          - dbt_version: "1.8.0"  # Wildcard version for Spark
             warehouse: "spark_iceberg"
     services:
       postgres:
diff --git a/integration_tests/models/actual/snowplow_ecommerce_sessions_actual.sql b/integration_tests/models/actual/snowplow_ecommerce_sessions_actual.sql
index 659aee7..90ea015 100644
--- a/integration_tests/models/actual/snowplow_ecommerce_sessions_actual.sql
+++ b/integration_tests/models/actual/snowplow_ecommerce_sessions_actual.sql
@@ -7,8 +7,7 @@ You may obtain a copy of the Snowplow Personal and Academic License Version 1.0
 
 
 {% if target.type in ('databricks','spark') %}
-SELECT {{ dbt_utils.star(from=ref('snowplow_ecommerce_sessions'), except=['start_tstamp_date'] )}},
-date(start_tstamp_date) as derived_tstamp_date
+SELECT {{ dbt_utils.star(from=ref('snowplow_ecommerce_sessions'), except=['start_tstamp_date'] )}}
 {% else %}
 SELECT {{ dbt_utils.star(from=ref('snowplow_ecommerce_sessions')) }}
 {% endif %}