diff --git a/external/nmodl b/external/nmodl
index 2fb037e1f8..70553cc4d9 160000
--- a/external/nmodl
+++ b/external/nmodl
@@ -1 +1 @@
-Subproject commit 2fb037e1f8d60d522ba16bd968c69a318ce5a827
+Subproject commit 70553cc4d9092aafed42aa49ac4e730830af1124
diff --git a/nrn_requirements.txt b/nrn_requirements.txt
index 77ccb32ddc..a7d8bcbcde 100644
--- a/nrn_requirements.txt
+++ b/nrn_requirements.txt
@@ -8,7 +8,7 @@ bokeh<3
 ipython
 cython<3
 packaging
-pytest
+pytest<=8.1.1 # potential bug from 8.2.0 due to parallelism?
 pytest-cov
 mpi4py
 numpy