diff --git a/data/Concrete_Data.xls b/data/Concrete_Data.xls
new file mode 100644
index 0000000..707ccac
Binary files /dev/null and b/data/Concrete_Data.xls differ
diff --git a/pyproject.toml b/pyproject.toml
index 1e697e8..9a298ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ fastapi = {version = "^0.109.2", extras = ["all"]}
 ipython = ">=8.0.0"
 joblib = "^1.2.0"
 matplotlib = "^3.7.2"
-notebook = "^6.5.0"
+notebook = "^6.5.6"
 numpy = "^1.20.3"
 pandas = ">=1.3.5,<3.0.0"
 pillow = ">=9.1.0"
diff --git a/requirements.txt b/requirements.txt
index c948de9..634b34e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 ipython>=8.2.0
-notebook>=6.4.10
+notebook~=6.5.6
 numpy>=1.22.3
 matplotlib>=3.5.1
 pandas>=1.4.2
@@ -11,6 +11,3 @@ plotly>=5.7.0
 xlrd>=2.0.1
 requests>=2.27.1
 fastapi[all]>=0.89.0
-torch>=1.12.1
-torchvision>=0.13.1
-skorch>=0.11.0