diff --git a/stubs/JACK-Client/METADATA.toml b/stubs/JACK-Client/METADATA.toml
index bd070e6d0..1660b2aae 100644
--- a/stubs/JACK-Client/METADATA.toml
+++ b/stubs/JACK-Client/METADATA.toml
@@ -1,7 +1,9 @@
 version = "0.5.*"
 upstream_repository = "https://github.com/spatialaudio/jackclient-python"
 # Requires a version of numpy with a `py.typed` file
-requires = ["numpy>=1.20", "types-cffi"]
+# see https://github.com/python/typeshed/issues/12551
+# on why we need the upper bound for numpy
+requires = ["numpy>=1.20,<2.1.0", "types-cffi"]
 
 [tool.stubtest]
 # darwin and win32 are equivalent
diff --git a/stubs/networkx/METADATA.toml b/stubs/networkx/METADATA.toml
index d8e565fd0..ace417a7f 100644
--- a/stubs/networkx/METADATA.toml
+++ b/stubs/networkx/METADATA.toml
@@ -1,7 +1,9 @@
 version = "3.2.1"
 upstream_repository = "https://github.com/networkx/networkx"
 # requires a version of numpy with a `py.typed` file
-requires = ["numpy>=1.20"]
+# see https://github.com/python/typeshed/issues/12551
+# on why we need the upper bound
+requires = ["numpy>=1.20,<2.1.0"]
 partial_stub = true
 
 [tool.stubtest]
diff --git a/stubs/seaborn/METADATA.toml b/stubs/seaborn/METADATA.toml
index 4c5367456..4603b91ba 100644
--- a/stubs/seaborn/METADATA.toml
+++ b/stubs/seaborn/METADATA.toml
@@ -1,6 +1,8 @@
 version = "0.13.2"
 # Requires a version of numpy and matplotlib with a `py.typed` file
-requires = ["matplotlib>=3.8", "numpy>=1.20", "pandas-stubs"]
+# see https://github.com/python/typeshed/issues/12551
+# on why we need the upper bound for numpy
+requires = ["matplotlib>=3.8", "numpy>=1.20,<2.1.0", "pandas-stubs"]
 # matplotlib>=3.8 requires Python >=3.9
 requires_python = ">=3.9"
 upstream_repository = "https://github.com/mwaskom/seaborn"
diff --git a/stubs/shapely/METADATA.toml b/stubs/shapely/METADATA.toml
index e12eb3f77..db229f692 100644
--- a/stubs/shapely/METADATA.toml
+++ b/stubs/shapely/METADATA.toml
@@ -1,4 +1,6 @@
 version = "2.0.*"
 # Requires a version of numpy with a `py.typed` file
-requires = ["numpy>=1.20"]
+# see https://github.com/python/typeshed/issues/12551
+# on why we need the upper bound for numpy
+requires = ["numpy>=1.20,<2.1.0"]
 upstream_repository = "https://github.com/shapely/shapely"
diff --git a/stubs/tensorflow/METADATA.toml b/stubs/tensorflow/METADATA.toml
index 0cf0913ed..cbd73399f 100644
--- a/stubs/tensorflow/METADATA.toml
+++ b/stubs/tensorflow/METADATA.toml
@@ -3,7 +3,9 @@
 version = "2.17.*"
 upstream_repository = "https://github.com/tensorflow/tensorflow"
 # requires a version of numpy with a `py.typed` file
-requires = ["numpy>=1.20", "types-protobuf", "types-requests"]
+# see https://github.com/python/typeshed/issues/12551
+# on why we need the upper bound for numpy
+requires = ["numpy>=1.20,<2.1.0", "types-protobuf", "types-requests"]
 extra_description = "Partially generated using [mypy-protobuf==3.6.0](https://github.com/nipunn1313/mypy-protobuf/tree/v3.6.0) and libprotoc 26.1 on tensorflow==2.17.0 ."
 partial_stub = true