diff --git a/poetry.lock b/poetry.lock
index 5a544b7a..66284643 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2629,14 +2629,14 @@ test = ["pytest (>=7.2.0,<7.3.0)"]
 
 [[package]]
 name = "pytest"
-version = "8.3.4"
+version = "8.3.5"
 description = "pytest: simple powerful testing with Python"
 optional = false
 python-versions = ">=3.8"
 groups = ["main"]
 files = [
-    {file = "pytest-8.3.4-py3-none-any.whl", hash = "sha256:50e16d954148559c9a74109af1eaf0c945ba2d8f30f0a3d3335edde19788b6f6"},
-    {file = "pytest-8.3.4.tar.gz", hash = "sha256:965370d062bce11e73868e0335abac31b4d3de0e82f4007408d242b4f8610761"},
+    {file = "pytest-8.3.5-py3-none-any.whl", hash = "sha256:c69214aa47deac29fad6c2a4f590b9c4a9fdb16a403176fe154b79c0b4d4d820"},
+    {file = "pytest-8.3.5.tar.gz", hash = "sha256:f4efe70cc14e511565ac476b57c279e12a855b11f48f212af1080ef2263d3845"},
 ]
 
 [package.dependencies]
@@ -4019,4 +4019,4 @@ files = [
 [metadata]
 lock-version = "2.1"
 python-versions = "<3.12,>=3.10"
-content-hash = "f4856b3c03617f5ab0b924d4807e06273bc51a1ab79ee23ea8592dee6542782c"
+content-hash = "ced38365831149f514b9c9905f4be84f6746da02d9b6c2400925a9538cab13c7"
diff --git a/pyproject.toml b/pyproject.toml
index a3886d5e..a7339497 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ python = "<3.14,>=3.11"
 notebook = "^6.5.7"
 pytket-quantinuum = "^0.44.0"
 pytket_pecos = "^0.1.32"
-pytest = "^8.3.4"
+pytest = "^8.3.5"
 pytest-cov = "^6.0.0"
 ruff = "^0.11.0"
 mypy = "^1.15.0"