diff --git a/docs/requirements.txt b/docs/requirements.txt
index bc367d9..0021424 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,7 +1,6 @@
 sphinx>=7,<8
 helics==3.2.0
-helics-apps==3.2.0
-pydantic>=1.7,<2
+pydantic>=2,<3
 sphinx-click
 sphinxcontrib-youtube
 psutil
diff --git a/tests/unit_tests/test_oedisi_tools/broker/requirements.txt b/tests/unit_tests/test_oedisi_tools/broker/requirements.txt
index 911cffb..92882e6 100644
--- a/tests/unit_tests/test_oedisi_tools/broker/requirements.txt
+++ b/tests/unit_tests/test_oedisi_tools/broker/requirements.txt
@@ -1,6 +1,6 @@
 helics
 # helics-apps
-oedisi>=2.0.2,<3
+oedisi>=3,<4
 pyyaml
 fastapi
 uvicorn
diff --git a/tests/unit_tests/test_oedisi_tools/component1/requirements.txt b/tests/unit_tests/test_oedisi_tools/component1/requirements.txt
index 3b60b6a..159f229 100644
--- a/tests/unit_tests/test_oedisi_tools/component1/requirements.txt
+++ b/tests/unit_tests/test_oedisi_tools/component1/requirements.txt
@@ -1,5 +1,5 @@
 helics
-oedisi>=2.0.2,<3
+oedisi>=3,<4
 pydantic
 fastapi
-uvicorn
\ No newline at end of file
+uvicorn
diff --git a/tests/unit_tests/test_oedisi_tools/component2/requirements.txt b/tests/unit_tests/test_oedisi_tools/component2/requirements.txt
index f073e44..dfc3833 100644
--- a/tests/unit_tests/test_oedisi_tools/component2/requirements.txt
+++ b/tests/unit_tests/test_oedisi_tools/component2/requirements.txt
@@ -1,5 +1,5 @@
 helics
-oedisi>=2.0.2,<3
+oedisi>=3,<4
 pydantic
 fastapi
 uvicorn