diff --git a/requirements.txt b/requirements.txt
index 47fafda8f..5cb498453 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ requests>=2.6.1
 ruamel.yaml>=0.16.0,<0.19
 rdflib>=4.2.2,<7.2
 schema-salad>=8.9,<9
-prov==1.5.1
+prov==2.1.1
 mypy-extensions
 psutil>=5.6.6
 coloredlogs
diff --git a/setup.py b/setup.py
index 8f8098f0a..510ce8c72 100644
--- a/setup.py
+++ b/setup.py
@@ -152,7 +152,7 @@ def _find_package_data(base: str, globs: list[str], root: str = "cwltool") -> li
         "ruamel.yaml >= 0.16, < 0.19",
         "rdflib >= 4.2.2, < 7.2.0",
         "schema-salad >= 8.9, < 9",
-        "prov == 1.5.1",
+        "prov == 2.1.1",
         "mypy-extensions",
         "psutil >= 5.6.6",
         "coloredlogs",