diff --git a/models/drop_nulls/drop_nulls.py b/models/drop_nulls/drop_nulls.py
new file mode 100644
index 0000000..35f9814
--- /dev/null
+++ b/models/drop_nulls/drop_nulls.py
@@ -0,0 +1,19 @@
+from pandas import DataFrame
+
+
+class DropNulls:
+    """
+    Data model that removes null values from a DataFrame.
+    """
+
+    def transform(self, x: DataFrame) -> DataFrame:
+        """
+        Remove rows with null values from the DataFrame.
+
+        Args:
+            x: Input DataFrame
+
+        Returns:
+            DataFrame with null rows removed
+        """
+        return x.dropna()
diff --git a/models/drop_nulls/index.yaml b/models/drop_nulls/index.yaml
new file mode 100644
index 0000000..e18ead5
--- /dev/null
+++ b/models/drop_nulls/index.yaml
@@ -0,0 +1,7 @@
+name: drop_nulls
+file: drop_nulls.py
+class: DropNulls
+requirements:
+- pandas
+version: 0.0.1
+type: data_model
diff --git a/models/index.encoded.txt b/models/index.encoded.txt
new file mode 100644
index 0000000..9ce6643
--- /dev/null
+++ b/models/index.encoded.txt
@@ -0,0 +1 @@
+store_name: SUSE Store<lb>version: 2<lb>models:<lb>- name: linear<lb>  version: 1.0.0<lb>data_models:<lb>- name: drop_nulls<lb>  version: 0.0.1<lb>
\ No newline at end of file
diff --git a/models/index.yaml b/models/index.yaml
index 7c76d3a..f377aa8 100644
--- a/models/index.yaml
+++ b/models/index.yaml
@@ -1,5 +1,8 @@
 store_name: SUSE Store
-version: 1
+version: 2
 models:
 - name: linear
+  version: 1.0.0
+data_models:
+- name: drop_nulls
   version: 0.0.1
diff --git a/models/linear/index.yaml b/models/linear/index.yaml
index 8ea93ec..1390ddf 100644
--- a/models/linear/index.yaml
+++ b/models/linear/index.yaml
@@ -3,4 +3,5 @@ file: linear.py
 class: Linear
 requirements:
 - pandas
-version: 0.0.1
+version: 1.0.0
+type: model
diff --git a/models/linear/linear.py b/models/linear/linear.py
index 624b15e..ede331e 100644
--- a/models/linear/linear.py
+++ b/models/linear/linear.py
@@ -1,6 +1,6 @@
 from pandas import DataFrame
 
-from models.linear.operations import operate
+from models.models.linear.operations import operate
 
 
 class Linear:
diff --git a/suse-store_DIFF.md b/suse-store_DIFF.md
new file mode 100644
index 0000000..ea6eb46
--- /dev/null
+++ b/suse-store_DIFF.md
@@ -0,0 +1,24 @@
+# Store Update Diff Report
+
+## Version Change
+
+- **Previous version**: 1
+- **New version**: 2
+
+## Model Changes
+
+### ✅ Inserted Models (1)
+
+- **drop_nulls** (version: 0.0.1)
+
+
+### 🔄 Updated Models (1)
+
+- **linear** (version: 1.0.0)
+
+
+## Summary
+
+- Total models in store: 2
+- New models: 1
+- Updated models: 1