diff --git a/pyproject.toml b/pyproject.toml
index 6a30a84..ff02c43 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,9 +23,9 @@ dependencies = [
     "bdbag>=1.4.1",
     "click~=8.1",
     "cwl-utils==0.40",
-    "cwlprov==0.1.1",
+    "cwlprov==0.2.1",
     "networkx==3.1",
-    "prov>=1.5.1",
+    "prov==1.5.1",
     "rocrate>=0.9,<1",
 ]
 dynamic = ["version"]
diff --git a/requirements.txt b/requirements.txt
index a9e6185..55dee7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 bdbag>=1.4.1
 click~=8.1
 cwl-utils==0.40
-cwlprov==0.1.1
+cwlprov==0.2.1
 networkx==3.1
-prov>=1.5.1
+prov==1.5.1
 rocrate>=0.9,<1