diff --git a/pyproject.toml b/pyproject.toml
index 8ac4cc9..4e62d0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
 dev = [
     "pytest>=9.0.3,<10",   # 9.0.3 fixes CVE-2025-71176
     "ruff>=0.5,<1",
-    "mypy>=1.10,<2",
+    "mypy>=1.10,<3",
     "pip-audit>=2.7,<3",
 ]
 
diff --git a/requirements.txt b/requirements.txt
index 8c3424c..8efd8fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ numpy>=1.26,<3         # exposure heatmap
 # dev tooling
 pytest>=9.0.3,<10      # 9.0.3 fixes CVE-2025-71176
 ruff>=0.5,<1
-mypy>=1.10,<2
+mypy>=1.10,<3
 pip-audit>=2.7,<3