diff --git a/poetry.lock b/poetry.lock
index 33ebef37a2896dc2d5bd97e59e91c67d450c0d5f..01b82fdcf2c7b7ca66f6b08b6b4f3c7f5418e2af 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -839,7 +839,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "0044f9420dd3853df0c1825feff4bcfdf9733c49173fe9985236c949894558ab"
+content-hash = "25e36fbd14f3335226afa65b2d5f62e37fcdf526b4f743bbfff42e6d3a11ba18"
 
 [metadata.files]
 alabaster = [
diff --git a/pyproject.toml b/pyproject.toml
index 17dc9604969f059d313ea38ed4f6f0c1648521d0..2584ca74d12e5b2aff8d6a848e72010fc7f44d5e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ python = "^3.6"
 wheel = "^0.35.1"
 numpy = "^1.19.1"
 cython = "^0.29.21"
-mdtraj = "^1.9.4"
+mdtraj = "^1.9.5"
 rich = "^9.2.0"
 
 [tool.poetry.dev-dependencies]