diff --git a/pkgs/development/python-modules/aioopenexchangerates/default.nix b/pkgs/development/python-modules/aioopenexchangerates/default.nix
index 6f18127ed167..668274ff85df 100644
--- a/pkgs/development/python-modules/aioopenexchangerates/default.nix
+++ b/pkgs/development/python-modules/aioopenexchangerates/default.nix
@@ -1,13 +1,14 @@
 { lib
 , aiohttp
 , aioresponses
-, pydantic_1
+, pydantic
 , buildPythonPackage
 , fetchFromGitHub
 , poetry-core
 , pytest-aiohttp
 , pytestCheckHook
 , pythonOlder
+, pythonRelaxDepsHook
 }:
 
 buildPythonPackage rec {
@@ -31,11 +32,16 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [
     poetry-core
+    pythonRelaxDepsHook
+  ];
+
+  pythonRelaxDeps = [
+    "pydantic"
   ];
 
   propagatedBuildInputs = [
     aiohttp
-    pydantic_1
+    pydantic
   ];
 
   nativeCheckInputs = [
diff --git a/pkgs/development/python-modules/pycfmodel/default.nix b/pkgs/development/python-modules/pycfmodel/default.nix
index cd847241f60c..e0d072684e26 100644
--- a/pkgs/development/python-modules/pycfmodel/default.nix
+++ b/pkgs/development/python-modules/pycfmodel/default.nix
@@ -2,7 +2,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , httpx
-, pydantic_1
+, pydantic
 , pytestCheckHook
 , pythonOlder
 , setuptools
@@ -27,7 +27,7 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
-    pydantic_1
+    pydantic
   ];
 
   nativeCheckInputs = [
@@ -54,5 +54,6 @@ buildPythonPackage rec {
     changelog = "https://github.com/Skyscanner/pycfmodel/releases/tag/v${version}";
     license = licenses.asl20;
     maintainers = with maintainers; [ fab ];
+    broken = versionAtLeast pydantic.version "2";
   };
 }
diff --git a/pkgs/development/python-modules/qcs-api-client/default.nix b/pkgs/development/python-modules/qcs-api-client/default.nix
index 60ed1433794a..6b542b7d04f0 100644
--- a/pkgs/development/python-modules/qcs-api-client/default.nix
+++ b/pkgs/development/python-modules/qcs-api-client/default.nix
@@ -6,7 +6,7 @@
 , httpx
 , iso8601
 , poetry-core
-, pydantic_1
+, pydantic
 , pyjwt
 , pytest-asyncio
 , pytestCheckHook
@@ -47,6 +47,7 @@ buildPythonPackage rec {
     "attrs"
     "httpx"
     "iso8601"
+    "pydantic"
   ];
 
   nativeBuildInputs = [
@@ -58,7 +59,7 @@ buildPythonPackage rec {
     attrs
     httpx
     iso8601
-    pydantic_1
+    pydantic
     pyjwt
     python-dateutil
     retrying
diff --git a/pkgs/development/python-modules/stravalib/default.nix b/pkgs/development/python-modules/stravalib/default.nix
index a87f18b929e4..8f9898657b65 100644
--- a/pkgs/development/python-modules/stravalib/default.nix
+++ b/pkgs/development/python-modules/stravalib/default.nix
@@ -3,7 +3,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pint
-, pydantic_1 # use pydantic 2 on next release
+, pydantic
 , pythonOlder
 , pytz
 , requests
@@ -26,11 +26,6 @@ buildPythonPackage rec {
     hash = "sha256-U+QlSrijvT77/m+yjhFxbcVTQe51J+PR4Kc8N+qG+wI=";
   };
 
-  postPatch = ''
-    # Remove on next release
-    sed -i 's/pydantic==1.10.9/pydantic/' pyproject.toml
-  '';
-
   nativeBuildInputs = [
     setuptools
     setuptools-scm
@@ -39,7 +34,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [
     arrow
     pint
-    pydantic_1
+    pydantic
     pytz
     requests
     responses
@@ -58,5 +53,6 @@ buildPythonPackage rec {
     changelog = "https://github.com/stravalib/stravalib/releases/tag/v${version}";
     license = licenses.asl20;
     maintainers = with maintainers; [ sikmir ];
+    broken = lib.versionAtLeast pydantic.version "2";
   };
 }
diff --git a/pkgs/tools/security/cfripper/default.nix b/pkgs/tools/security/cfripper/default.nix
index 5e13a2df14c8..c597f2e85602 100644
--- a/pkgs/tools/security/cfripper/default.nix
+++ b/pkgs/tools/security/cfripper/default.nix
@@ -3,7 +3,14 @@
 , python3
 }:
 
-python3.pkgs.buildPythonApplication rec {
+
+let
+  python = python3.override {
+    packageOverrides = self: super: {
+      pydantic = self.pydantic_1;
+    };
+  };
+in python.pkgs.buildPythonApplication rec {
   pname = "cfripper";
   version = "1.15.3";
   pyproject = true;
@@ -20,11 +27,11 @@ python3.pkgs.buildPythonApplication rec {
       --replace "pluggy~=0.13.1" "pluggy" \
   '';
 
-  nativeBuildInputs = with python3.pkgs; [
+  nativeBuildInputs = with python.pkgs; [
     setuptools
   ];
 
-  propagatedBuildInputs = with python3.pkgs; [
+  propagatedBuildInputs = with python.pkgs; [
     boto3
     cfn-flip
     click
@@ -35,7 +42,7 @@ python3.pkgs.buildPythonApplication rec {
     setuptools
   ];
 
-  nativeCheckInputs = with python3.pkgs; [
+  nativeCheckInputs = with python.pkgs; [
     moto
     pytestCheckHook
   ];