diff --git a/requirements-dev.txt b/requirements-dev.txt
index 764cb2c..4f13696 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -171,7 +171,7 @@ wheel==0.41.2
     # via pip-tools
 xlrd==2.0.1
     # via pandas
-xlsxwriter==3.1.6
+xlsxwriter==3.1.9
     # via pandas
 
 # The following packages are considered to be unsafe in a requirements file:
diff --git a/requirements.txt b/requirements.txt
index 0abf627..d2de2ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,5 +65,5 @@ uvicorn==0.23.2
     # via datahub (pyproject.toml)
 xlrd==2.0.1
     # via pandas
-xlsxwriter==3.1.6
+xlsxwriter==3.1.9
     # via pandas