diff --git a/packages/backend/package.json b/packages/backend/package.json
index 5055f502356b..fb3734496014 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -238,7 +238,7 @@
 		"fkill": "9.0.0",
 		"jest": "29.7.0",
 		"jest-mock": "29.7.0",
-		"nodemon": "3.1.7",
+		"nodemon": "3.0.2",
 		"pid-port": "1.0.0",
 		"simple-oauth2": "5.1.0"
 	}
diff --git a/packages/frontend-embed/package.json b/packages/frontend-embed/package.json
index 59b744e43a3f..32e4f3d60733 100644
--- a/packages/frontend-embed/package.json
+++ b/packages/frontend-embed/package.json
@@ -61,7 +61,7 @@
 		"intersection-observer": "0.12.2",
 		"micromatch": "4.0.8",
 		"msw": "2.6.4",
-		"nodemon": "3.1.7",
+		"nodemon": "3.0.2",
 		"prettier": "3.3.3",
 		"start-server-and-test": "2.0.8",
 		"vite-plugin-turbosnap": "1.0.3",
diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index 4f132ab50011..aaac24007893 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -123,7 +123,7 @@
 		"micromatch": "4.0.8",
 		"msw": "2.6.4",
 		"msw-storybook-addon": "2.0.4",
-		"nodemon": "3.1.7",
+		"nodemon": "3.0.2",
 		"prettier": "3.3.3",
 		"react": "18.3.1",
 		"react-dom": "18.3.1",
diff --git a/packages/misskey-bubble-game/package.json b/packages/misskey-bubble-game/package.json
index 08d50626418d..e579a3e370b7 100644
--- a/packages/misskey-bubble-game/package.json
+++ b/packages/misskey-bubble-game/package.json
@@ -27,7 +27,7 @@
 		"@types/node": "22.9.0",
 		"@typescript-eslint/eslint-plugin": "7.1.0",
 		"@typescript-eslint/parser": "7.1.0",
-		"nodemon": "3.1.7",
+		"nodemon": "3.0.2",
 		"execa": "9.5.1",
 		"typescript": "5.6.3",
 		"esbuild": "0.24.0",
diff --git a/packages/misskey-js/package.json b/packages/misskey-js/package.json
index a5f34fa7941e..01dc5f9ef665 100644
--- a/packages/misskey-js/package.json
+++ b/packages/misskey-js/package.json
@@ -46,7 +46,7 @@
 		"jest-websocket-mock": "2.5.0",
 		"mock-socket": "9.3.1",
 		"ncp": "2.0.0",
-		"nodemon": "3.1.7",
+		"nodemon": "3.0.2",
 		"execa": "9.5.1",
 		"tsd": "0.31.2",
 		"typescript": "5.6.3",
diff --git a/packages/misskey-reversi/package.json b/packages/misskey-reversi/package.json
index 1cd6b0de2e4d..e59db5d42aaf 100644
--- a/packages/misskey-reversi/package.json
+++ b/packages/misskey-reversi/package.json
@@ -26,7 +26,7 @@
 		"@typescript-eslint/eslint-plugin": "7.1.0",
 		"@typescript-eslint/parser": "7.1.0",
 		"execa": "9.5.1",
-		"nodemon": "3.1.7",
+		"nodemon": "3.0.2",
 		"typescript": "5.6.3",
 		"esbuild": "0.24.0",
 		"glob": "11.0.0"
diff --git a/packages/sw/package.json b/packages/sw/package.json
index dddd6e8bd789..cad7623d5ac6 100644
--- a/packages/sw/package.json
+++ b/packages/sw/package.json
@@ -17,7 +17,7 @@
 		"@typescript-eslint/parser": "7.17.0",
 		"@typescript/lib-webworker": "npm:@types/serviceworker@0.0.67",
 		"eslint-plugin-import": "2.30.0",
-		"nodemon": "3.1.7",
+		"nodemon": "3.0.2",
 		"typescript": "5.6.3"
 	},
 	"type": "module"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d5fe19ed642f..4a24aa4dc373 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -680,8 +680,8 @@ importers:
         specifier: 29.7.0
         version: 29.7.0
       nodemon:
-        specifier: 3.1.7
-        version: 3.1.7
+        specifier: 3.0.2
+        version: 3.0.2
       pid-port:
         specifier: 1.0.0
         version: 1.0.0
@@ -1005,8 +1005,8 @@ importers:
         specifier: 2.0.4
         version: 2.0.4(msw@2.6.4(@types/node@22.9.0)(typescript@5.6.3))
       nodemon:
-        specifier: 3.1.7
-        version: 3.1.7
+        specifier: 3.0.2
+        version: 3.0.2
       prettier:
         specifier: 3.3.3
         version: 3.3.3
@@ -1195,8 +1195,8 @@ importers:
         specifier: 2.6.4
         version: 2.6.4(@types/node@22.9.0)(typescript@5.6.3)
       nodemon:
-        specifier: 3.1.7
-        version: 3.1.7
+        specifier: 3.0.2
+        version: 3.0.2
       prettier:
         specifier: 3.3.3
         version: 3.3.3
@@ -1284,8 +1284,8 @@ importers:
         specifier: 11.0.0
         version: 11.0.0
       nodemon:
-        specifier: 3.1.7
-        version: 3.1.7
+        specifier: 3.0.2
+        version: 3.0.2
       typescript:
         specifier: 5.6.3
         version: 5.6.3
@@ -1345,8 +1345,8 @@ importers:
         specifier: 2.0.0
         version: 2.0.0
       nodemon:
-        specifier: 3.1.7
-        version: 3.1.7
+        specifier: 3.0.2
+        version: 3.0.2
       tsd:
         specifier: 0.31.2
         version: 0.31.2
@@ -1409,8 +1409,8 @@ importers:
         specifier: 11.0.0
         version: 11.0.0
       nodemon:
-        specifier: 3.1.7
-        version: 3.1.7
+        specifier: 3.0.2
+        version: 3.0.2
       typescript:
         specifier: 5.6.3
         version: 5.6.3
@@ -1437,8 +1437,8 @@ importers:
         specifier: 2.30.0
         version: 2.30.0(@typescript-eslint/parser@7.17.0(eslint@9.14.0)(typescript@5.6.3))(eslint@9.14.0)
       nodemon:
-        specifier: 3.1.7
-        version: 3.1.7
+        specifier: 3.0.2
+        version: 3.0.2
       typescript:
         specifier: 5.6.3
         version: 5.6.3
@@ -8555,8 +8555,8 @@ packages:
     resolution: {integrity: sha512-psAuZdTIRN08HKVd/E8ObdV6NO7NTBY3KsC30F7M4H1OnmLCUNaS56FpYxyb26zWLSyYF9Ozch9KYHhHegsiOQ==}
     engines: {node: '>=6.0.0'}
 
-  nodemon@3.1.7:
-    resolution: {integrity: sha512-hLj7fuMow6f0lbB0cD14Lz2xNjwsyruH251Pk4t/yIitCFJbmY1myuLlHm/q06aST4jg6EgAh74PIBBrRqpVAQ==}
+  nodemon@3.0.2:
+    resolution: {integrity: sha512-9qIN2LNTrEzpOPBaWHTm4Asy1LxXLSickZStAQ4IZe7zsoIpD/A7LWxhZV3t4Zu352uBcqVnRsDXSMR2Sc3lTA==}
     engines: {node: '>=10'}
     hasBin: true
 
@@ -20361,7 +20361,7 @@ snapshots:
 
   nodemailer@6.9.16: {}
 
-  nodemon@3.1.7:
+  nodemon@3.0.2:
     dependencies:
       chokidar: 3.5.3
       debug: 4.3.7(supports-color@5.5.0)
@@ -21820,7 +21820,7 @@ snapshots:
 
   simple-update-notifier@2.0.0:
     dependencies:
-      semver: 7.6.0
+      semver: 7.6.3
 
   sinon@16.1.3:
     dependencies: