diff --git a/bucket/edgedriver.json b/bucket/edgedriver.json
index 8d96058b6d..95d4959642 100644
--- a/bucket/edgedriver.json
+++ b/bucket/edgedriver.json
@@ -1,5 +1,5 @@
 {
-    "version": "87.0.669.0",
+    "version": "87.0.666.0",
     "description": "Close the loop on your developer cycle by automating testing of your website in Microsoft Edge (Chromium).",
     "homepage": "https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver",
     "license": {
@@ -9,12 +9,12 @@
     "notes": "For legacy (EdgeHTML) version, see 'versions/edgedriver-legacy'.",
     "architecture": {
         "64bit": {
-            "url": "https://msedgedriver.azureedge.net/87.0.669.0/edgedriver_win64.zip",
-            "hash": "5d402cbd1c36d061ea3074957b6f113edf81d1ce2e6a8cf755d1b3dc34caf3b1"
+            "url": "https://msedgedriver.azureedge.net/87.0.666.0/edgedriver_win64.zip",
+            "hash": "78e48fb22dcaa1dc18768a2a76a43866382e3dc1d0b5f9c5bc3e840846f8aad9"
         },
         "32bit": {
-            "url": "https://msedgedriver.azureedge.net/87.0.669.0/edgedriver_win32.zip",
-            "hash": "982681e1d73309d07a8b85b8820609eaa54fc2b79add7f6007898aa427e23198"
+            "url": "https://msedgedriver.azureedge.net/87.0.666.0/edgedriver_win32.zip",
+            "hash": "314784ffe37977b83556fe58650b66cc7b31f0ccb9dd0e392a9313d00a9d3c57"
         }
     },
     "bin": "msedgedriver.exe",