diff --git a/service-gateway/package.json b/service-gateway/package.json
index d433c20..0de0e6c 100644
--- a/service-gateway/package.json
+++ b/service-gateway/package.json
@@ -16,6 +16,6 @@
     "graphql": "^14.7.0"
   },
   "devDependencies": {
-    "prettier": "2.7.1"
+    "prettier": "2.8.7"
   }
 }
diff --git a/service-post/package.json b/service-post/package.json
index 4f96e81..4290d2f 100644
--- a/service-post/package.json
+++ b/service-post/package.json
@@ -17,6 +17,6 @@
     "lodash": "^4.17.19"
   },
   "devDependencies": {
-    "prettier": "2.7.1"
+    "prettier": "2.8.7"
   }
 }
diff --git a/service-user/package.json b/service-user/package.json
index fa8569d..4470ac6 100644
--- a/service-user/package.json
+++ b/service-user/package.json
@@ -17,6 +17,6 @@
     "lodash": "^4.17.19"
   },
   "devDependencies": {
-    "prettier": "2.7.1"
+    "prettier": "2.8.7"
   }
 }