diff --git a/bower.json b/bower.json
index 5dfb126..a46a336 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "imgix-url-params",
-  "version": "11.33.0",
+  "version": "11.34.0",
   "homepage": "https://github.com/imgix/imgix-url-params",
   "authors": ["Jason Eberle <jason@imgix.com>"],
   "description": "Organized, machine-friendly documentation of imgix's URL parameters",
diff --git a/dist/parameters.js b/dist/parameters.js
index 0bff00c..858cdf9 100644
--- a/dist/parameters.js
+++ b/dist/parameters.js
@@ -15,7 +15,7 @@
 }(this, function () {
 
 return {
-	"version": "11.33.0",
+	"version": "11.34.0",
 	"parameters": {
 		"ar": {
 			"display_name": "aspect ratio",
@@ -119,6 +119,29 @@ return {
 			"url": "https://docs.imgix.com/apis/rendering/background/background-removal-semi-transparency",
 			"short_description": "Enables background removal while retaining semi-transparent areas."
 		},
+		"bg-remove-transparency-threshold": {
+			"display_name": "background transparency threshold",
+			"category": "background",
+			"available_in": [
+				"url",
+				"graph",
+				"output"
+			],
+			"expects": [
+				{
+					"type": "unit_scalar",
+					"unit": "ratio",
+					"min": 0,
+					"max": 1
+				}
+			],
+			"aliases": [
+				"bg-remove-transparency-threshold"
+			],
+			"default": 0.2,
+			"url": "https://docs.imgix.com/apis/rendering/background/bg-remove-transparency-threshold",
+			"short_description": "Sets the threshold for background removal based on transparency. Transparency in an image below or equal to the threshold will skip the entire background removal process"
+		},
 		"bg-remove": {
 			"display_name": "background removal",
 			"category": "background",
@@ -4329,6 +4352,7 @@ return {
 	},
 	"aliases": {
 		"background-removal-semi-transparency": "bg-remove-semi-transparency",
+		"bg-remove-transparency-threshold": "bg-remove-transparency-threshold",
 		"background-remove": "bg-remove",
 		"background-replace-negative-prompt": "bg-replace-neg-prompt",
 		"background-replace": "bg-replace",
diff --git a/dist/parameters.json b/dist/parameters.json
index 7c9c137..1d8e767 100644
--- a/dist/parameters.json
+++ b/dist/parameters.json
@@ -1,5 +1,5 @@
 {
-	"version": "11.33.0",
+	"version": "11.34.0",
 	"parameters": {
 		"ar": {
 			"display_name": "aspect ratio",
@@ -103,6 +103,29 @@
 			"url": "https://docs.imgix.com/apis/rendering/background/background-removal-semi-transparency",
 			"short_description": "Enables background removal while retaining semi-transparent areas."
 		},
+		"bg-remove-transparency-threshold": {
+			"display_name": "background transparency threshold",
+			"category": "background",
+			"available_in": [
+				"url",
+				"graph",
+				"output"
+			],
+			"expects": [
+				{
+					"type": "unit_scalar",
+					"unit": "ratio",
+					"min": 0,
+					"max": 1
+				}
+			],
+			"aliases": [
+				"bg-remove-transparency-threshold"
+			],
+			"default": 0.2,
+			"url": "https://docs.imgix.com/apis/rendering/background/bg-remove-transparency-threshold",
+			"short_description": "Sets the threshold for background removal based on transparency. Transparency in an image below or equal to the threshold will skip the entire background removal process"
+		},
 		"bg-remove": {
 			"display_name": "background removal",
 			"category": "background",
@@ -4313,6 +4336,7 @@
 	},
 	"aliases": {
 		"background-removal-semi-transparency": "bg-remove-semi-transparency",
+		"bg-remove-transparency-threshold": "bg-remove-transparency-threshold",
 		"background-remove": "bg-remove",
 		"background-replace-negative-prompt": "bg-replace-neg-prompt",
 		"background-replace": "bg-replace",
diff --git a/package.json b/package.json
index 3cc62d1..21e6508 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "imgix-url-params",
-  "version": "11.33.0",
+  "version": "11.34.0",
   "description": "Organized, machine-friendly documentation of imgix's URL parameters",
   "main": "dist/manifest.json",
   "scripts": {