diff --git a/bucket/openresty.json b/bucket/openresty.json
index 8d56464dc5..6d00359afd 100644
--- a/bucket/openresty.json
+++ b/bucket/openresty.json
@@ -1,5 +1,5 @@
 {
-    "version": "1.21.4.2",
+    "version": "1.21.4.3",
     "description": "Dynamic web platform based on NGINX and LuaJIT.",
     "homepage": "https://openresty.org",
     "license": "BSD-2-Clause",
@@ -13,14 +13,14 @@
     },
     "architecture": {
         "64bit": {
-            "url": "https://openresty.org/download/openresty-1.21.4.2-win64.zip",
-            "hash": "a9fd099a252da83f09a02938ff37887864f9dbae0c10b091758409f82f7f9a18",
-            "extract_dir": "openresty-1.21.4.2-win64"
+            "url": "https://openresty.org/download/openresty-1.21.4.3-win64.zip",
+            "hash": "9f2799c703fc8141a6331b408e10b6849fa7e83c2144950e909e3d6a9de83978",
+            "extract_dir": "openresty-1.21.4.3-win64"
         },
         "32bit": {
-            "url": "https://openresty.org/download/openresty-1.21.4.2-win32.zip",
-            "hash": "42294399442d137f85608802d4d8343dff8e945e927521ba438444f47afde9a2",
-            "extract_dir": "openresty-1.21.4.2-win32"
+            "url": "https://openresty.org/download/openresty-1.21.4.3-win32.zip",
+            "hash": "36b962754a72a3d5a9b15f7888d76806d36afe6f305cfadddfc1f57e6bfee844",
+            "extract_dir": "openresty-1.21.4.3-win32"
         }
     },
     "bin": [