diff --git a/orbit/__version__.py b/orbit/__version__.py
index 06365df5..75e6048d 100644
--- a/orbit/__version__.py
+++ b/orbit/__version__.py
@@ -1 +1 @@
-__version__ = "1.1.4.8"
+__version__ = "1.1.4.9"
diff --git a/pyproject.toml b/pyproject.toml
index 16b8f860..5c983e40 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,20 +33,18 @@ description = "Orbit is a package for Bayesian time series modeling and inferenc
 readme = "README.md"
 requires-python = ">=3.9"
 dependencies = [
-  "arviz>=0.17.1",
+  "arviz",
   "cmdstanpy>=1.2.1",
-  "importlib_resources>=6.4.0",
-  "ipywidgets",
-  "matplotlib>=3.8.3",
-  "numpy>=1.26.4",
-  "pandas>=2.2.1",
-  "pyro-ppl>=1.9.0",
-  "scipy>=1.12.0",
-  "seaborn>=0.13.2",
-  "setuptools>=42",
-  "statsmodels>=0.14.1",
-  "torch>=2.2.1",
-  "tqdm>=4.66.2",
+  "importlib_resources",
+  "matplotlib>=3.3.2",
+  "numpy>=1.18",
+  "pandas>=1.0.3",
+  "pyro-ppl>=1.4.0",
+  "scipy>=1.4.1",
+  "seaborn>=0.10.0",
+  "statsmodels>=0.11.1",
+  "torch>=1.11.0",
+  "tqdm>=4.36.1",
 ]
 license = {text = "Apache License 2.0"}
 classifiers = [
diff --git a/requirements.txt b/requirements.txt
index c014307e..395bdf61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,14 @@
-arviz>=0.17.1
+arviz
 cmdstanpy>=1.2.1
-importlib_resources>=6.4.0
+importlib_resources
 ipywidgets
-matplotlib>=3.8.3
-numpy>=1.26.4
-pandas>=2.2.1
-pyro-ppl>=1.9.0
-scipy>=1.12.0
-seaborn>=0.13.2
+matplotlib>=3.3.2
+numpy>=1.18
+pandas>=1.0.3
+pyro-ppl>=1.4.0
+scipy>=1.4.1
+seaborn>=0.10.0
 setuptools>=42
-statsmodels>=0.14.1
-torch>=2.2.1
-tqdm>=4.66.2
\ No newline at end of file
+statsmodels>=0.11.1
+torch>=1.11.0
+tqdm>=4.36.1
\ No newline at end of file