diff --git a/requirements.txt b/requirements.txt
index 09d1cabda..dda9c7773 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ pathy>=0.3.5
 numpy>=1.15.0
 requests>=2.13.0,<3.0.0
 tqdm>=4.38.0,<5.0.0
-pydantic>=1.7.1,<1.8.0
+pydantic>=1.7.4,!=1.8,!=1.8.1,<1.9.0
 jinja2
 # Official Python utilities
 setuptools
diff --git a/setup.cfg b/setup.cfg
index 5cda00fb2..846ccf4b3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -52,7 +52,7 @@ install_requires =
     tqdm>=4.38.0,<5.0.0
     numpy>=1.15.0
     requests>=2.13.0,<3.0.0
-    pydantic>=1.7.1,<1.8.0
+    pydantic>=1.7.4,!=1.8,!=1.8.1,<1.9.0
     jinja2
     # Official Python utilities
     setuptools