diff --git a/packages/backend/package.json b/packages/backend/package.json
index 70432d1bd1..b7cedab869 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -80,7 +80,7 @@
 		"@fastify/static": "8.1.1",
 		"@fastify/view": "10.0.2",
 		"@misskey-dev/sharp-read-bmp": "1.3.0",
-		"@misskey-dev/summaly": "5.2.1",
+		"@misskey-dev/summaly": "npm:@transfem-org/summaly@5.2.1",
 		"@nestjs/common": "11.1.0",
 		"@nestjs/core": "11.1.0",
 		"@nestjs/testing": "11.1.0",
diff --git a/packages/frontend-embed/package.json b/packages/frontend-embed/package.json
index 5b4774c7af..2796d64f9a 100644
--- a/packages/frontend-embed/package.json
+++ b/packages/frontend-embed/package.json
@@ -24,7 +24,7 @@
 		"vue": "3.5.14"
 	},
 	"devDependencies": {
-		"@misskey-dev/summaly": "5.2.1",
+		"@misskey-dev/summaly": "npm:@transfem-org/summaly@5.2.1",
 		"@rollup/plugin-json": "6.1.0",
 		"@rollup/plugin-replace": "6.0.2",
 		"@rollup/pluginutils": "5.1.4",
diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index fd99ed2194..3b7415ac22 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -69,7 +69,7 @@
 		"cypress": "14.3.2"
 	},
 	"devDependencies": {
-		"@misskey-dev/summaly": "5.2.1",
+		"@misskey-dev/summaly": "npm:@transfem-org/summaly@5.2.1",
 		"@rollup/plugin-json": "6.1.0",
 		"@rollup/plugin-replace": "6.0.2",
 		"@rollup/pluginutils": "5.1.4",