diff --git a/pyproject.toml b/pyproject.toml
index b6cceb4af..2fb4ea245 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,7 +74,7 @@ dev = [
     "pytest==8.3.5",
     "requests==2.32.4",
     "wheel==0.45.1",
-    "build==1.2.2.post1",
+    "build==1.3.0",
     "mypy==1.15.0",
     "types-requests==2.32.0.20250328",
     {include-group = "tox"},
diff --git a/uv.lock b/uv.lock
index d65e434fd..72eea2307 100644
--- a/uv.lock
+++ b/uv.lock
@@ -164,16 +164,16 @@ wheels = [
 
 [[package]]
 name = "build"
-version = "1.2.2.post1"
+version = "1.3.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "os_name == 'nt'" },
     { name = "packaging" },
     { name = "pyproject-hooks" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/7d/46/aeab111f8e06793e4f0e421fcad593d547fb8313b50990f31681ee2fb1ad/build-1.2.2.post1.tar.gz", hash = "sha256:b36993e92ca9375a219c99e606a122ff365a760a2d4bba0caa09bd5278b608b7", size = 46701 }
+sdist = { url = "https://files.pythonhosted.org/packages/25/1c/23e33405a7c9eac261dff640926b8b5adaed6a6eb3e1767d441ed611d0c0/build-1.3.0.tar.gz", hash = "sha256:698edd0ea270bde950f53aed21f3a0135672206f3911e0176261a31e0e07b397", size = 48544 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/84/c2/80633736cd183ee4a62107413def345f7e6e3c01563dbca1417363cf957e/build-1.2.2.post1-py3-none-any.whl", hash = "sha256:1d61c0887fa860c01971625baae8bdd338e517b836a2f70dd1f7aa3a6b2fc5b5", size = 22950 },
+    { url = "https://files.pythonhosted.org/packages/cb/8c/2b30c12155ad8de0cf641d76a8b396a16d2c36bc6d50b621a62b7c4567c1/build-1.3.0-py3-none-any.whl", hash = "sha256:7145f0b5061ba90a1500d60bd1b13ca0a8a4cebdd0cc16ed8adf1c0e739f43b4", size = 23382 },
 ]
 
 [[package]]
@@ -806,7 +806,7 @@ deploy = [
     { name = "twine", specifier = "==6.1.0" },
 ]
 dev = [
-    { name = "build", specifier = "==1.2.2.post1" },
+    { name = "build", specifier = "==1.3.0" },
     { name = "click", specifier = "==8.2.1" },
     { name = "hypothesis", specifier = "==6.130.6" },
     { name = "maturin", specifier = "==1.9.2" },