diff --git a/api/python/pyproject.toml b/api/python/pyproject.toml
index 6ca3f720..7c102a33 100644
--- a/api/python/pyproject.toml
+++ b/api/python/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
 license = { file = "LICENSE" }
 readme = "README.md"
 requires-python = "~= 3.10"
-dependencies = ["semantic_version==2.10.0"]
+dependencies = ["semantic_version>=2.10.0,<3"]
 
 [project.optional-dependencies]
 test = ["pytest"]
diff --git a/tools/ontology-builder/requirements.txt b/tools/ontology-builder/requirements.txt
index 84b2cd13..cf5ad982 100644
--- a/tools/ontology-builder/requirements.txt
+++ b/tools/ontology-builder/requirements.txt
@@ -1,4 +1,3 @@
 owlready2==0.45
-PyYaml==6.0.1
-jsonschema==4.21.1
-semantic-version==2.10.0
+jsonschema>=4.21.1, <5
+semantic-version>=2.10.0, <3