diff --git a/pyproject.toml b/pyproject.toml
index 983a4ad..4e80c83 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,8 +31,8 @@ dependencies = [
     "polars ~= 1.0",
     "hgvs",
     "biocommons.seqrepo",
-    "pydantic == 2.*",
-    "ga4gh.vrs ~= 2.0.0a10",
+    "pydantic >=2.0,<3.0",
+    "ga4gh.vrs >=2.1.3,<3.0",
     "wags-tails ~= 0.3.2",
     "bioutils",
 ]