diff --git a/generated-structs.go b/generated-structs.go
index ae7c2d52..df5b90f0 100644
--- a/generated-structs.go
+++ b/generated-structs.go
@@ -353,6 +353,8 @@ type BrowserTypeLaunchOptions struct {
 	// Note that Playwright only works with the bundled Chromium, Firefox or WebKit, use
 	// at your own risk.
 	ExecutablePath *string `json:"executablePath"`
+	// Firefox user preferences. Learn more about the Firefox user preferences at [`about:config`](https://support.mozilla.org/en-US/kb/about-config-editor-firefox).
+	FirefoxUserPrefs map[string]interface{} `json:"firefoxUserPrefs"`
 	// Close the browser process on SIGHUP. Defaults to `true`.
 	HandleSIGHUP *bool `json:"handleSIGHUP"`
 	// Close the browser process on Ctrl-C. Defaults to `true`.
diff --git a/patches/main.patch b/patches/main.patch
index e26135cd..0e8b136b 100644
--- a/patches/main.patch
+++ b/patches/main.patch
@@ -200,7 +200,7 @@ index 61dd9e3ad4e9b83a8132bc61c026d2c18b35d979..fc440fe38af9dfbd4f6d3c7ef6518906
  * langs: csharp, java
  - `body` <[string]>
 diff --git a/docs/src/api/params.md b/docs/src/api/params.md
-index f214cf943ae2c95c9377a093f0132e237b9bea2e..393b12018edf730bc98bb0aa233c595f759fa7d0 100644
+index f214cf943ae2c95c9377a093f0132e237b9bea2e..a9b810fba267f6c99d70e24f8b08ecac07ed6396 100644
 --- a/docs/src/api/params.md
 +++ b/docs/src/api/params.md
 @@ -146,8 +146,8 @@ Defaults to `'visible'`. Can be either:
@@ -259,6 +259,15 @@ index f214cf943ae2c95c9377a093f0132e237b9bea2e..393b12018edf730bc98bb0aa233c595f
  - `recordVideo` <[Object]>
    - `dir` <[path]> Path to the directory to put videos into.
    - `size` <[Object]> Optional dimensions of the recorded videos. If not specified the size will be equal to `viewport`
+@@ -831,7 +831,7 @@ Firefox user preferences. Learn more about the Firefox user preferences at
+ [`about:config`](https://support.mozilla.org/en-US/kb/about-config-editor-firefox).
+ 
+ ## csharp-java-browser-option-firefoxuserprefs
+-* langs: csharp, java
++* langs: csharp, java, go
+ - `firefoxUserPrefs` <[Object]<[string], [any]>>
+ 
+ Firefox user preferences. Learn more about the Firefox user preferences at
 @@ -884,12 +884,14 @@ Slows down Playwright operations by the specified amount of milliseconds. Useful
  - %%-browser-option-tracesdir-%%