diff --git a/playwright/_impl/_browser_type.py b/playwright/_impl/_browser_type.py
index 28a0e7cb4..65e3982c7 100644
--- a/playwright/_impl/_browser_type.py
+++ b/playwright/_impl/_browser_type.py
@@ -163,7 +163,7 @@ async def connect_over_cdp(
         self,
         endpointURL: str,
         timeout: float = None,
-        slow_mo: float = None,
+        slowMo: float = None,
         headers: Dict[str, str] = None,
     ) -> Browser:
         params = locals_to_params(locals())
diff --git a/playwright/_impl/_element_handle.py b/playwright/_impl/_element_handle.py
index 03e49eb04..6c585bb0d 100644
--- a/playwright/_impl/_element_handle.py
+++ b/playwright/_impl/_element_handle.py
@@ -297,7 +297,7 @@ async def screenshot(
         caret: Literal["hide", "initial"] = None,
         scale: Literal["css", "device"] = None,
         mask: Sequence["Locator"] = None,
-        mask_color: str = None,
+        maskColor: str = None,
     ) -> bytes:
         params = locals_to_params(locals())
         if "path" in params:
diff --git a/playwright/_impl/_locator.py b/playwright/_impl/_locator.py
index d18d0d5de..4f4799183 100644
--- a/playwright/_impl/_locator.py
+++ b/playwright/_impl/_locator.py
@@ -522,7 +522,7 @@ async def screenshot(
         caret: Literal["hide", "initial"] = None,
         scale: Literal["css", "device"] = None,
         mask: Sequence["Locator"] = None,
-        mask_color: str = None,
+        maskColor: str = None,
     ) -> bytes:
         params = locals_to_params(locals())
         return await self._with_element(
diff --git a/playwright/_impl/_page.py b/playwright/_impl/_page.py
index 2bfae2090..8d143172f 100644
--- a/playwright/_impl/_page.py
+++ b/playwright/_impl/_page.py
@@ -638,7 +638,7 @@ async def screenshot(
         caret: Literal["hide", "initial"] = None,
         scale: Literal["css", "device"] = None,
         mask: Sequence["Locator"] = None,
-        mask_color: str = None,
+        maskColor: str = None,
     ) -> bytes:
         params = locals_to_params(locals())
         if "path" in params:
diff --git a/playwright/async_api/_generated.py b/playwright/async_api/_generated.py
index 3ab7a143f..4dcd4da23 100644
--- a/playwright/async_api/_generated.py
+++ b/playwright/async_api/_generated.py
@@ -2837,7 +2837,7 @@ async def screenshot(
                 caret=caret,
                 scale=scale,
                 mask=mapping.to_impl(mask),
-                mask_color=mask_color,
+                maskColor=mask_color,
             )
         )
 
@@ -9992,7 +9992,7 @@ async def screenshot(
                 caret=caret,
                 scale=scale,
                 mask=mapping.to_impl(mask),
-                mask_color=mask_color,
+                maskColor=mask_color,
             )
         )
 
@@ -15100,7 +15100,7 @@ async def connect_over_cdp(
             await self._impl_obj.connect_over_cdp(
                 endpointURL=endpoint_url,
                 timeout=timeout,
-                slow_mo=slow_mo,
+                slowMo=slow_mo,
                 headers=mapping.to_impl(headers),
             )
         )
@@ -17602,7 +17602,7 @@ async def screenshot(
                 caret=caret,
                 scale=scale,
                 mask=mapping.to_impl(mask),
-                mask_color=mask_color,
+                maskColor=mask_color,
             )
         )
 
diff --git a/playwright/sync_api/_generated.py b/playwright/sync_api/_generated.py
index af78b6a72..e4383917b 100644
--- a/playwright/sync_api/_generated.py
+++ b/playwright/sync_api/_generated.py
@@ -2872,7 +2872,7 @@ def screenshot(
                     caret=caret,
                     scale=scale,
                     mask=mapping.to_impl(mask),
-                    mask_color=mask_color,
+                    maskColor=mask_color,
                 )
             )
         )
@@ -10061,7 +10061,7 @@ def screenshot(
                     caret=caret,
                     scale=scale,
                     mask=mapping.to_impl(mask),
-                    mask_color=mask_color,
+                    maskColor=mask_color,
                 )
             )
         )
@@ -15171,7 +15171,7 @@ def connect_over_cdp(
                 self._impl_obj.connect_over_cdp(
                     endpointURL=endpoint_url,
                     timeout=timeout,
-                    slow_mo=slow_mo,
+                    slowMo=slow_mo,
                     headers=mapping.to_impl(headers),
                 )
             )
@@ -17719,7 +17719,7 @@ def screenshot(
                     caret=caret,
                     scale=scale,
                     mask=mapping.to_impl(mask),
-                    mask_color=mask_color,
+                    maskColor=mask_color,
                 )
             )
         )