diff --git a/hatfieldcmr/requirements.txt b/hatfieldcmr/requirements.txt
index 2c55a88c..5ad15eb3 100644
--- a/hatfieldcmr/requirements.txt
+++ b/hatfieldcmr/requirements.txt
@@ -1,5 +1,5 @@
 scandir==1.10.0
-python-dotenv==1.0.0
+python-dotenv==1.2.2
 minio ==7.1.14
 python-cmr==0.7.0
 urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
diff --git a/requirements_tif2csv.txt b/requirements_tif2csv.txt
index 5b7b3e80..af95e066 100644
--- a/requirements_tif2csv.txt
+++ b/requirements_tif2csv.txt
@@ -5,6 +5,6 @@ numpy==2.3.0
 geopandas==1.1.0
 rasterio==1.4.3
 rasterstats==0.20.0
-python-dotenv==1.0.0
+python-dotenv==1.2.2
 xarray==2025.4.0
 rioxarray==0.19.0