diff --git a/src/test_all_types.rs b/src/test_all_types.rs
index 6c4c6a34..db1db182 100644
--- a/src/test_all_types.rs
+++ b/src/test_all_types.rs
@@ -12,11 +12,7 @@ fn test_all_types() -> crate::Result<()> {
 
     let excluded = [
         // uhugeint, time_tz, and dec38_10 aren't supported in the duckdb arrow layer
-        "uhugeint",
-        "time_tz",
-        "dec38_10",
-        // union is currently blocked by https://github.com/duckdb/duckdb/pull/11326
-        "union",
+        "uhugeint", "time_tz", "dec38_10",
     ];
 
     let mut binding = database.prepare(&format!(
diff --git a/src/types/mod.rs b/src/types/mod.rs
index 6efc6b8f..0cb40c77 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -205,8 +205,8 @@ impl From<&DataType> for Type {
                     .map(|f| (f.name().to_owned(), Type::from(f.data_type())))
                     .collect(),
             ),
-            // DataType::Union(_, _) => Self::Union,
-            // DataType::Dictionary(_, _) => Self::Enum,
+            DataType::Union(_, _) => Self::Union,
+            DataType::Dictionary(_, _) => Self::Enum,
             DataType::Decimal128(..) => Self::Decimal,
             DataType::Decimal256(..) => Self::Decimal,
             DataType::Map(field, ..) => {