diff --git a/environment-dev.yml b/environment-dev.yml
index 40f4f5f..f8bcf89 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -13,7 +13,7 @@ dependencies:
   - pandas >=1.3.5, <1.4.0
   - pip >=20.2.3
   - pyahocorasick >=1.4.0
-  - pydantic >=1.8.1, <2
+  - pydantic >=2, <3
   - pylint >=2.4.4
   - pysam >=0.16.0
   - pytest >=6.1.0
diff --git a/environment.yml b/environment.yml
index 08e4fd2..273edbe 100644
--- a/environment.yml
+++ b/environment.yml
@@ -10,7 +10,7 @@ dependencies:
   - pandas >=1.3.5, <1.4.0
   - pip >=20.2.3
   - pyahocorasick >=1.4.0
-  - pydantic >=1.8.1, <2
+  - pydantic >=2, <3
   - pysam >=0.16.0
   - python >=3.8, <=3.10
   - star >=2.7.6