diff --git a/poetry.lock b/poetry.lock
index dd73c13..6320b8f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1041,38 +1041,38 @@ files = [
 
 [[package]]
 name = "mypy"
-version = "1.5.1"
+version = "1.6.0"
 description = "Optional static typing for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
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+    {file = "mypy-1.6.0-py3-none-any.whl", hash = "sha256:9e1589ca150a51d9d00bb839bfeca2f7a04f32cd62fad87a847bc0818e15d7dc"},
+    {file = "mypy-1.6.0.tar.gz", hash = "sha256:4f3d27537abde1be6d5f2c96c29a454da333a2a271ae7d5bc7110e6d4b7beb3f"},
 ]
 
 [package.dependencies]
@@ -1718,4 +1718,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "86881e518f113eb1569d4e3852217b1a270266ccc0ce2e51cdf16e229c90c452"
+content-hash = "7783942dd08ee3a61a4a7e1f0c1f8ca1e2f986fc08ac1fceb19928fee208d53d"
diff --git a/pyproject.toml b/pyproject.toml
index 0b54e93..35d0890 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ sigstore = ">=2.0.0"
 aresponses = "^2.1.6"
 black = "^23.9.1"
 isort = "^5.12.0"
-mypy = "^1.5"
+mypy = "^1.6"
 pdoc3 = "^0.10.0"
 pylint = "^3.0.1"
 pytest = "^7.4.2"