diff --git a/pyproject.toml b/pyproject.toml
index ff02c43..be1506e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
     "cwl-utils==0.40",
     "cwlprov==0.2.1",
     "networkx==3.1",
-    "prov==1.5.1",
+    "prov==2.1.1",
     "rocrate>=0.9,<1",
 ]
 dynamic = ["version"]
diff --git a/requirements.txt b/requirements.txt
index 55dee7b..4eb3593 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ click~=8.1
 cwl-utils==0.40
 cwlprov==0.2.1
 networkx==3.1
-prov==1.5.1
+prov==2.1.1
 rocrate>=0.9,<1