diff --git a/examples/pytorch/AxHyperOptimizationPTL/conda.yaml b/examples/pytorch/AxHyperOptimizationPTL/conda.yaml
index 10bbee0101037..192fe62bac7be 100644
--- a/examples/pytorch/AxHyperOptimizationPTL/conda.yaml
+++ b/examples/pytorch/AxHyperOptimizationPTL/conda.yaml
@@ -17,5 +17,7 @@ dependencies:
       # required by many versions of pytorch
       - gpytorch<1.9.0
       - protobuf<4.0.0
+      # Pinning pandas version less than 1.4.4 due to https://github.com/facebook/Ax/issues/1153
+      - pandas<=1.4.4
       # TODO: Remove this requirement once ax-platform achieves compatibility with SQLAlchemy 2.x
       - sqlalchemy<2
diff --git a/examples/pytorch/AxHyperOptimizationPTL/python_env.yaml b/examples/pytorch/AxHyperOptimizationPTL/python_env.yaml
index c82e79caf5385..89766651a4e10 100644
--- a/examples/pytorch/AxHyperOptimizationPTL/python_env.yaml
+++ b/examples/pytorch/AxHyperOptimizationPTL/python_env.yaml
@@ -15,5 +15,7 @@ dependencies:
   # required by many versions of pytorch
   - gpytorch<1.9.0
   - protobuf<4.0.0
+  # Pinning pandas version less than 1.4.4 due to https://github.com/facebook/Ax/issues/1153
+  - pandas<=1.4.4
   # TODO: Remove this requirement once ax-platform achieves compatibility with SQLAlchemy 2.x
   - sqlalchemy<2