diff --git a/environment.yml b/environment.yml
index 2917cc6..3cc1c87 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,6 +7,6 @@ dependencies:
  - mamba
  - snakemake-minimal==7.25.0
  - click>=7,<9
- - lxml==4.9.2
+ - lxml==4.9.3
  - pandas>1,<3
  - python>=3.7,<3.10
diff --git a/setup.py b/setup.py
index 5ca1a4f..a4266d8 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@
     ],
     tests_require=["pytest", "pytest-dependency==0.5.1"],
     use_scm_version={"write_to": "genome_grist/version.py"},
-    install_requires=["snakemake==7.25.0", "click>=7,<9", "lxml==4.9.2",
+    install_requires=["snakemake==7.25.0", "click>=7,<9", "lxml==4.9.3",
                       "pandas>1,<3"],
     long_description=long_description,
     long_description_content_type="text/markdown",