diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bf7b43e4..528e945cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -73,6 +73,7 @@
   - outpaint fixes  
   - validate output before hires/refine  
   - scheduler fix sigma index out of bounds  
+  - force pydantic version reinstall/reload  
 
 ## Update for 2025-02-05
 
diff --git a/installer.py b/installer.py
index 5439f871c..cffdbd1ae 100644
--- a/installer.py
+++ b/installer.py
@@ -354,15 +354,16 @@ def pip(arg: str, ignore: bool = False, quiet: bool = True, uv = True):
 
 # install package using pip if not already installed
 @lru_cache()
-def install(package, friendly: str = None, ignore: bool = False, reinstall: bool = False, no_deps: bool = False, quiet: bool = False):
+def install(package, friendly: str = None, ignore: bool = False, reinstall: bool = False, no_deps: bool = False, quiet: bool = False, force: bool = False):
     t_start = time.time()
     res = ''
     if args.reinstall or args.upgrade:
         global quick_allowed # pylint: disable=global-statement
         quick_allowed = False
-    if args.reinstall or reinstall or not installed(package, friendly, quiet=quiet):
+    if (args.reinstall) or (reinstall) or (not installed(package, friendly, quiet=quiet)):
         deps = '' if not no_deps else '--no-deps '
-        res = pip(f"install{' --upgrade' if not args.uv else ''} {deps}{package}", ignore=ignore, uv=package != "uv" and not package.startswith('git+'))
+        cmd = f"install{' --upgrade' if not args.uv else ''}{' --force' if force else ''} {deps}{package}"
+        res = pip(cmd, ignore=ignore, uv=package != "uv" and not package.startswith('git+'))
         try:
             importlib.reload(pkg_resources)
         except Exception:
@@ -1081,6 +1082,14 @@ def install_submodules(force=True):
     return '\n'.join(res)
 
 
+def reload(package):
+    modules = [m for m in sys.modules if m.startswith(package)]
+    for m in modules:
+        del sys.modules[m]
+    sys.modules[package] = importlib.import_module(package)
+    log.debug(f'Reload: package={package} version={sys.modules[package].__version__ if hasattr(sys.modules[package], "__version__") else "N/A"}')
+
+
 def ensure_base_requirements():
     t_start = time.time()
     setuptools_version = '69.5.1'
@@ -1128,7 +1137,10 @@ def install_optional():
     install('pynvml', ignore=True)
     install('ultralytics==8.3.40', ignore=True)
     install('Cython', ignore=True)
-    install('insightface', ignore=True) # problematic build
+    install('insightface==0.7.3', ignore=True) # problematic build
+    install('albumentations==1.4.3', ignore=True)
+    install('pydantic==1.10.21', ignore=True)
+    reload('pydantic')
     install('nncf==2.7.0', ignore=True, no_deps=True) # requires older pandas
     # install('flash-attn', ignore=True) # requires cuda and nvcc to be installed
     install('gguf', ignore=True)
diff --git a/modules/face/insightface.py b/modules/face/insightface.py
index 794faad99..529e4be32 100644
--- a/modules/face/insightface.py
+++ b/modules/face/insightface.py
@@ -10,11 +10,12 @@ instightface_mp = None
 def get_app(mp_name, threshold=0.5, resolution=640):
     global insightface_app, instightface_mp # pylint: disable=global-statement
 
-    from installer import install, installed
+    from installer import install, installed, reload
     if not installed('insightface', reload=False, quiet=True):
-        install('insightface', 'insightface', ignore=False)
-        install('albumentations==1.4.3', 'albumentations', ignore=False, reinstall=True)
-        install('pydantic==1.10.21', 'pydantic', ignore=False, reinstall=True)
+        install('insightface==0.7.3', ignore=False)
+        install('albumentations==1.4.3', ignore=False, reinstall=True)
+        install('pydantic==1.10.21', ignore=False, reinstall=True, force=True)
+        reload('pydantic')
     if not installed('ip_adapter', reload=False, quiet=True):
         install('git+https://github.com/tencent-ailab/IP-Adapter.git', 'ip_adapter', ignore=False)
 
diff --git a/modules/loader.py b/modules/loader.py
index 67f2dd627..099ec908d 100644
--- a/modules/loader.py
+++ b/modules/loader.py
@@ -140,4 +140,4 @@ except ImportError:
         pass  # shrug...
 
 errors.log.info(f'Torch: torch=={torch.__version__} torchvision=={torchvision.__version__}')
-errors.log.info(f'Packages: diffusers=={diffusers.__version__} transformers=={transformers.__version__} accelerate=={accelerate.__version__} gradio=={gradio.__version__}')
+errors.log.info(f'Packages: diffusers=={diffusers.__version__} transformers=={transformers.__version__} accelerate=={accelerate.__version__} gradio=={gradio.__version__} pydantic=={pydantic.__version__}')
diff --git a/scripts/pulid_ext.py b/scripts/pulid_ext.py
index 36ceb5e1c..40e726549 100644
--- a/scripts/pulid_ext.py
+++ b/scripts/pulid_ext.py
@@ -28,11 +28,12 @@ class Script(scripts.Script):
         return shared.native
 
     def dependencies(self):
-        from installer import install, installed
-        if not installed('insightface', reload=False, quiet=True):
-            install('insightface', 'insightface', ignore=False)
-            install('albumentations==1.4.3', 'albumentations', ignore=False, reinstall=True)
-            install('pydantic==1.10.21', 'pydantic', ignore=False, reinstall=True)
+        from installer import install, installed, reload
+        if not installed('insightface==0.7.3', reload=False, quiet=True):
+            install('insightface==0.7.3', ignore=False)
+            install('albumentations==1.4.3', ignore=False, reinstall=True)
+            install('pydantic==1.10.21', ignore=False, reinstall=True, force=True)
+            reload('pydantic')
 
     def register(self): # register xyz grid elements
         global registered # pylint: disable=global-statement