diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc225a7..64c6b7d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Fixed
 - Compatibility with newer typer versions (#33).
+- Compatibility with newer pydantic versions.
 
 
 ## [1.1.0] - 2023-01-29
diff --git a/callsignlookuptools/callook/callook.py b/callsignlookuptools/callook/callook.py
index 9a838f2..9be16f2 100644
--- a/callsignlookuptools/callook/callook.py
+++ b/callsignlookuptools/callook/callook.py
@@ -22,7 +22,7 @@ class CallookCallsignModel(BaseModel):
     class_: enums.LicenseClass = Field(default=enums.LicenseClass.NONE, alias="class")
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
@@ -31,7 +31,7 @@ class CallookTrusteeModel(BaseModel):
     name: Optional[str] = None
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
@@ -41,7 +41,7 @@ class CallookAddressModel(BaseModel):
     attn: Optional[str] = None
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
@@ -57,7 +57,7 @@ def _to_grid(cls, v):
         return v
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
@@ -78,7 +78,7 @@ def _parse_date(cls, v):
         return v
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
@@ -94,7 +94,7 @@ class CallookDataModel(BaseModel):
     otherInfo: CallookOtherInfoModel = Field(default_factory=CallookOtherInfoModel)
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
diff --git a/callsignlookuptools/hamqth/hamqth.py b/callsignlookuptools/hamqth/hamqth.py
index f6780d1..20948d7 100644
--- a/callsignlookuptools/hamqth/hamqth.py
+++ b/callsignlookuptools/hamqth/hamqth.py
@@ -89,7 +89,7 @@ def _continent(cls, v):
         return enums.Continent.NONE
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
diff --git a/callsignlookuptools/qrz/qrz.py b/callsignlookuptools/qrz/qrz.py
index f848e76..7d8d262 100644
--- a/callsignlookuptools/qrz/qrz.py
+++ b/callsignlookuptools/qrz/qrz.py
@@ -114,7 +114,7 @@ def _parse_image_info(cls, v):
         return tuple(v.split(":"))
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
diff --git a/callsignlookuptools/qrzcq/qrzcq.py b/callsignlookuptools/qrzcq/qrzcq.py
index 0b7edf2..818fdab 100644
--- a/callsignlookuptools/qrzcq/qrzcq.py
+++ b/callsignlookuptools/qrzcq/qrzcq.py
@@ -73,7 +73,7 @@ def _continent(cls, v):
         return enums.Continent.NONE
 
     class Config:
-        anystr_strip_whitespace = True
+        str_strip_whitespace = True
         arbitrary_types_allowed = True
 
 
diff --git a/setup.py b/setup.py
index c6c12c7..9560c4c 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@
     install_requires=[
         "lxml",
         "gridtools",
-        "pydantic",
+        "pydantic>=2.0",
         "requests; extra != 'async'"
     ],
     extras_require={