diff --git a/pyproject.toml b/pyproject.toml
index f48e966d9..adda5f583 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ optional-dependencies.geopandas = [ "geopandas" ]
 optional-dependencies.geotiff = [ "pyproj", "rasterio", "rioxarray" ]
 optional-dependencies.mars = [ "ecmwf-api-client>=1.6.1" ]
 optional-dependencies.odb = [ "pyodc" ]
-optional-dependencies.polytope = [ "polytope-client>=0.7.4" ]
+optional-dependencies.polytope = [ "polytope-client>=0.7.6" ]
 optional-dependencies.projection = [ "cartopy" ]
 optional-dependencies.s3 = [ "aws-requests-auth", "botocore" ]
 optional-dependencies.test = [