diff --git a/opencsp/common/lib/geometry/LineXY.py b/opencsp/common/lib/geometry/LineXY.py
index 54804cb7..3a3e5e20 100644
--- a/opencsp/common/lib/geometry/LineXY.py
+++ b/opencsp/common/lib/geometry/LineXY.py
@@ -104,9 +104,9 @@ def slope(self) -> float:
             else:
                 # use the original two points to determine the positivity of the slope
                 if self._original_two_points[1].y[0] > self._original_two_points[0].y[0]:
-                    return np.PINF
+                    return np.inf
                 else:
-                    return np.NINF
+                    return -np.inf
 
         # return the slope
         return -self.A / self.B
diff --git a/opencsp/common/lib/geometry/Pxy.py b/opencsp/common/lib/geometry/Pxy.py
index 747fbd8d..f4baadae 100644
--- a/opencsp/common/lib/geometry/Pxy.py
+++ b/opencsp/common/lib/geometry/Pxy.py
@@ -29,7 +29,7 @@ def __init__(self, data, dtype=float):
     def __repr__(self):
         return "2D Point:\n" + self._data.__repr__()
 
-    def distance(self, data_in: "Pxy") -> npt.NDArray[np.float_]:
+    def distance(self, data_in: "Pxy") -> npt.NDArray[np.float64]:
         """
         Calculates the Euclidean distance between this point and another Pxy point.
 
@@ -59,7 +59,7 @@ def distance(self, data_in: "Pxy") -> npt.NDArray[np.float_]:
 
         return (self - data_in).magnitude()
 
-    def angle_from(self, origin: "Pxy") -> npt.NDArray[np.float_]:
+    def angle_from(self, origin: "Pxy") -> npt.NDArray[np.float64]:
         """
         Returns the rotation angle in which this point lies relative to the
         given origin point.
diff --git a/opencsp/common/lib/geometry/Vxy.py b/opencsp/common/lib/geometry/Vxy.py
index 7f1ea3d8..dcafd7b1 100644
--- a/opencsp/common/lib/geometry/Vxy.py
+++ b/opencsp/common/lib/geometry/Vxy.py
@@ -268,7 +268,7 @@ def magnitude(self) -> npt.NDArray[np.float64]:
         """
         return np.sqrt(np.sum(self._data**2, 0))
 
-    def angle(self) -> npt.NDArray[np.float_]:
+    def angle(self) -> npt.NDArray[np.float64]:
         """
         Returns the orientation relative to the origin for each vector, in
         radians in the standard coordinate system (0 on the x-axis to the right,
diff --git a/requirements.txt b/requirements.txt
index a06662d9..0976324b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,8 +23,8 @@ pyexiftool >= 0.5.6
 
 # packages that can't be installed with conda but can be installed with pip on solo #pippkgs
 ipykernel >= 6.29.3
-opencv-contrib-python >= 4.8.1.78, < 4.10.0.84
-numpy < 2.0.0
+opencv-contrib-python == 4.11.0.86
+numpy < 2.0.0 # jhs updated, 02/06/2026, support for version 1 of numpy has been stopped.
 pytest >= 8.1.1
 python-pptx >= 0.6.23
 rawpy >= 0.19.1
@@ -40,4 +40,4 @@ pytest-xvfb >= 3.0.0
 pytest-cov >= 4.1.0
 
 # these are packages that have not been evaluated for compatibility with solo
-nbconvert >= 7.16.6
\ No newline at end of file
+nbconvert >= 7.16.6