diff --git a/pyproject.toml b/pyproject.toml
index 7f374e4..7edc55e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
 [dependency-groups]
 dev = [
     "ruff>=0.7.0,<0.8",
-    "faker>=37.0.0,<38",
+    "faker>=40.1,<41",
 ]
 
 [tool.hatch.build.targets.sdist]
diff --git a/uv.lock b/uv.lock
index 4a74e1f..1590176 100644
--- a/uv.lock
+++ b/uv.lock
@@ -350,14 +350,14 @@ wheels = [
 
 [[package]]
 name = "faker"
-version = "37.6.0"
+version = "40.1.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "tzdata" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/24/cd/f7679c20f07d9e2013123b7f7e13809a3450a18d938d58e86081a486ea15/faker-37.6.0.tar.gz", hash = "sha256:0f8cc34f30095184adf87c3c24c45b38b33ad81c35ef6eb0a3118f301143012c", size = 1907960, upload-time = "2025-08-26T15:56:27.419Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/d7/1d/aa43ef59589ddf3647df918143f1bac9eb004cce1c43124ee3347061797d/faker-40.1.0.tar.gz", hash = "sha256:c402212a981a8a28615fea9120d789e3f6062c0c259a82bfb8dff5d273e539d2", size = 1948784, upload-time = "2025-12-29T18:06:00.659Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/61/7d/8b50e4ac772719777be33661f4bde320793400a706f5eb214e4de46f093c/faker-37.6.0-py3-none-any.whl", hash = "sha256:3c5209b23d7049d596a51db5d76403a0ccfea6fc294ffa2ecfef6a8843b1e6a7", size = 1949837, upload-time = "2025-08-26T15:56:25.33Z" },
+    { url = "https://files.pythonhosted.org/packages/fc/23/e22da510e1ec1488966330bf76d8ff4bd535cbfc93660eeb7657761a1bb2/faker-40.1.0-py3-none-any.whl", hash = "sha256:a616d35818e2a2387c297de80e2288083bc915e24b7e39d2fb5bc66cce3a929f", size = 1985317, upload-time = "2025-12-29T18:05:58.831Z" },
 ]
 
 [[package]]
@@ -748,7 +748,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "faker", specifier = ">=37.0.0,<38" },
+    { name = "faker", specifier = ">=40.1,<41" },
     { name = "ruff", specifier = ">=0.7.0,<0.8" },
 ]