diff --git a/pyproject.toml b/pyproject.toml
index 286aa2c6..5b22f6e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,13 +46,13 @@ docs = [
   "bokeh",
   "scikit-learn"
 ]
-femwell = ["femwell~=0.1.11", "meshwell~=2.1.1"]
+femwell = ["femwell~=0.1.11", "meshwell>=2.1.1,<2.4.0"]
 gfviz = ["jinja2", "fastapi", "shapely", "natsort"]
 klayout = ["klayout", "pyvis<=0.3.2", "vlsir", "vlsirtools", "gitpython"]
 luminescent = ["luminescent>=0.2.12,<4.1.0", "sortedcontainers"]
 maintainer = ["mypy", "tbump", "towncrier"]
 meow = ["meow-sim>=0.15", "sax>=0.17,<0.19", "tidy3d~=2.11.1"]
-meshwell = ["shapely", "meshwell~=2.1.1"]
+meshwell = ["shapely", "meshwell>=2.1.1,<2.4.0"]
 path_length_analysis = ["bokeh", "numba", "shapely"]
 sax = ["sax>=0.17,<0.19"]
 schematic = ["bokeh", "ipywidgets", "natsort"]