diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6679df9..5c5f942 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - Adds a helper function to retrieve the Iceberg catalog namespace from the profile.yaml file.
 - Adds merge_exclude_columns and incremental_predicates features.
 - Drop Python 3.8 support
+- Upgrade default Glue version to 5.0
 
 ## v1.8.6
 - Fix session provisioning timeout and delay handling
diff --git a/dbt/adapters/glue/credentials.py b/dbt/adapters/glue/credentials.py
index 0861832..ed0e060 100644
--- a/dbt/adapters/glue/credentials.py
+++ b/dbt/adapters/glue/credentials.py
@@ -15,7 +15,7 @@ class GlueCredentials(Credentials):
     extra_jars: Optional[str] = None
     idle_timeout: int = 10
     query_timeout_in_minutes: int = 300
-    glue_version: Optional[str] = "4.0"
+    glue_version: Optional[str] = "5.0"
     security_configuration: Optional[str] = None
     connections: Optional[str] = None
     conf: Optional[str] = None
diff --git a/tests/unit/test_credentials.py b/tests/unit/test_credentials.py
index 3d3d293..d64da7f 100644
--- a/tests/unit/test_credentials.py
+++ b/tests/unit/test_credentials.py
@@ -15,5 +15,5 @@ def test_credentials(self) -> None:
         )
         assert credentials.schema == "tests"
         assert credentials.database is None
-        assert credentials.glue_version == "4.0"    # default Glue version is 4.0
+        assert credentials.glue_version == "5.0"    # default Glue version is 5.0
         assert credentials.custom_iceberg_catalog_namespace == "glue_catalog"