diff --git a/.gitignore b/.gitignore
index 0258b3975c..8bfccb4468 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,3 +104,6 @@ results
 .beads/
 .claude/
 .runtime/
+
+# uv
+uv.lock
diff --git a/ci/requirements-py3.11.yml b/ci/requirements-py3.11.yml
index f3eb4061f6..b738a822a8 100644
--- a/ci/requirements-py3.11.yml
+++ b/ci/requirements-py3.11.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        - nrel-pysam>=2.0
+        - nlr-pysam >=8, <9
         - solarfactors
diff --git a/ci/requirements-py3.12.yml b/ci/requirements-py3.12.yml
index d43be0a995..e951575ce7 100644
--- a/ci/requirements-py3.12.yml
+++ b/ci/requirements-py3.12.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        - nrel-pysam>=2.0
+        - nlr-pysam >=8, <9
         - solarfactors
diff --git a/ci/requirements-py3.13.yml b/ci/requirements-py3.13.yml
index 6ea6545572..c93a5dc374 100644
--- a/ci/requirements-py3.13.yml
+++ b/ci/requirements-py3.13.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        - nrel-pysam>=2.0
+        - nlr-pysam >=8, <9
         - solarfactors
diff --git a/ci/requirements-py3.14.yml b/ci/requirements-py3.14.yml
index 095006018b..dcca752ab0 100644
--- a/ci/requirements-py3.14.yml
+++ b/ci/requirements-py3.14.yml
@@ -24,5 +24,5 @@ dependencies:
     - scipy >= 1.7.2
     - statsmodels
     - pip:
-        # - nrel-pysam>=2.0  # not available for py 3.14 as of 2025-11-03
+        - nlr-pysam >=8, <9
         - solarfactors
diff --git a/pvlib/ivtools/sdm/cec.py b/pvlib/ivtools/sdm/cec.py
index 881e51ebdb..2cc0cd5795 100644
--- a/pvlib/ivtools/sdm/cec.py
+++ b/pvlib/ivtools/sdm/cec.py
@@ -52,7 +52,7 @@ def fit_cec_sam(celltype, v_mp, i_mp, v_oc, i_sc, alpha_sc, beta_voc,
     Raises
     ------
     ImportError
-        if NREL-PySAM is not installed.
+        if NLR-PySAM is not installed.
     RuntimeError
         if parameter extraction is not successful.
 
@@ -76,8 +76,8 @@ def fit_cec_sam(celltype, v_mp, i_mp, v_oc, i_sc, alpha_sc, beta_voc,
     try:
         from PySAM import PySSC
     except ImportError:
-        raise ImportError("Requires NREL's PySAM package at "
-                          "https://pypi.org/project/NREL-PySAM/.")
+        raise ImportError("Requires NLR's PySAM package at "
+                          "https://pypi.org/project/NLR-PySAM/.")
 
     datadict = {'tech_model': '6parsolve', 'financial_model': None,
                 'celltype': celltype, 'Vmp': v_mp,
diff --git a/pyproject.toml b/pyproject.toml
index de7fbb7fb8..3286ec2e92 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ description = "A set of functions and classes for simulating the performance of
 authors = [
     { name = "pvlib python Developers", email = "pvlib-admin@googlegroups.com" },
 ]
-requires-python = ">=3.11"
+requires-python = ">=3.11, <3.15"
 dependencies = [
     'numpy >= 1.23.2',
     'pandas >= 1.5.0',
@@ -49,7 +49,7 @@ dynamic = ["version"]
 optional = [
     'cython',
     'ephem',
-    'nrel-pysam',
+    'nlr-pysam >= 8, < 9',
     'numba >= 0.17.0',
     'solarfactors >= 1.6.1',
     'statsmodels',