diff --git a/Dockerfile b/Dockerfile
index cdb3813..841fed5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ RUN apt-get update && apt-get -y install git python3 python3-pip python3-venv sq
 WORKDIR /opt/dbt-sqlite
 
 RUN python3 -m pip install --upgrade pip \
-    && python3 -m pip install pytest pytest-dotenv dbt-core~=1.5.0 dbt-tests-adapter~=1.5.0
+    && python3 -m pip install pytest pytest-dotenv dbt-core~=1.6.0 dbt-tests-adapter~=1.6.0
 
 RUN wget -q https://github.com/nalgeon/sqlean/releases/download/0.15.2/crypto.so
 RUN wget -q https://github.com/nalgeon/sqlean/releases/download/0.15.2/math.so
diff --git a/dbt/adapters/sqlite/__version__.py b/dbt/adapters/sqlite/__version__.py
index 4139253..f7c7de2 100644
--- a/dbt/adapters/sqlite/__version__.py
+++ b/dbt/adapters/sqlite/__version__.py
@@ -1 +1 @@
-version = '1.5.0'
+version = '1.6.0'
diff --git a/dbt/include/sqlite/macros/utils/dateadd.sql b/dbt/include/sqlite/macros/utils/dateadd.sql
index 332c07f..cbf3db2 100644
--- a/dbt/include/sqlite/macros/utils/dateadd.sql
+++ b/dbt/include/sqlite/macros/utils/dateadd.sql
@@ -1,8 +1,9 @@
 {% macro sqlite__dateadd(from_date_or_timestamp, interval, datepart) %}
+    -- If provided a DATETIME, returns a DATETIME
+    -- If provided a DATE, returns a DATE
 
-    -- Perform date addition based on the detected input format using CASE statements with LIKE for string contains
     CASE
-        -- Check if format is DATETIME
+        -- Matches DATETIME type based on ISO-8601 
         WHEN {{ from_date_or_timestamp }} LIKE '%:%' OR ({{ from_date_or_timestamp }} LIKE '%T%' AND {{ from_date_or_timestamp }} LIKE '%Z%') THEN
             CASE
                 WHEN LOWER({{ datepart }}) = 'second' THEN datetime({{ from_date_or_timestamp }}, '+' || {{ interval }} || ' seconds')
@@ -15,7 +16,7 @@
                 WHEN LOWER({{ datepart }}) = 'year' THEN datetime({{ from_date_or_timestamp }}, '+' || {{ interval }} || ' years')
                 ELSE NULL
             END
-        -- Check if format is DATE
+        -- Matches DATE type based on ISO-8601
         WHEN {{ from_date_or_timestamp }} LIKE '%-%' AND {{ from_date_or_timestamp }} NOT LIKE '%T%' AND {{ from_date_or_timestamp }} NOT LIKE '% %' THEN
             CASE
                 WHEN LOWER({{ datepart }}) IN ('second', 'minute', 'hour') THEN date({{ from_date_or_timestamp }})
diff --git a/setup.py b/setup.py
index 29cd0ff..9edb95d 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@ def _get_plugin_version():
         ]
     },
     install_requires=[
-        "dbt-core~=1.5.0"
+        "dbt-core~=1.6.0"
     ],
     classifiers=[
         'Development Status :: 4 - Beta',