diff --git a/config/lib.json b/config/lib.json
index 4c4f3390..0cbfaa51 100644
--- a/config/lib.json
+++ b/config/lib.json
@@ -98,12 +98,7 @@
             "ffitarget.h"
         ]
     },
-    "libmcrypt": {
-        "source": "libmcrypt",
-        "static-libs-unix": [
-            "libmcrypt.a"
-        ]
-    },
+
     "libpng": {
         "source": "libpng",
         "static-libs-unix": [
@@ -208,6 +203,18 @@
             "openssl"
         ]
     },
+    "libmcrypt": {
+        "source": "libmcrypt",
+        "static-libs-unix": [
+            "libmcrypt.a"
+        ]
+    },
+    "mcrypt": {
+        "source": "mcrypt",
+        "static-libs-unix": [
+            "libmcrypt.a"
+        ]
+    },
     "nghttp2": {
         "source": "nghttp2",
         "static-libs-unix": [
diff --git a/config/source.json b/config/source.json
index 6c2e9238..fd9f8871 100644
--- a/config/source.json
+++ b/config/source.json
@@ -53,12 +53,20 @@
             "path": "LICENSE"
         }
     },
-    "libmcrypt": {
+    "mcrypt": {
         "type": "url",
-        "url": "https://github.com/winlibs/libmcrypt/archive/refs/tags/libmcrypt-2.5.8-3.4.tar.gz",
+        "url": "https://jaist.dl.sourceforge.net/project/mcrypt/MCrypt/2.6.8/mcrypt-2.6.8.tar.gz",
         "license": {
             "type": "file",
-            "path": "COPYING.LIB"
+            "path": "COPYING"
+        }
+    },
+    "libmcrypt": {
+        "type": "url",
+        "url": "https://nchc.dl.sourceforge.net/project/mcrypt/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.gz",
+        "license": {
+            "type": "file",
+            "path": "COPYING"
         }
     },
     "libpng": {
diff --git a/ext-support.md b/ext-support.md
index 35efbc68..1a543aad 100644
--- a/ext-support.md
+++ b/ext-support.md
@@ -57,3 +57,13 @@
 | xmlwriter  |       |          |         |
 | zip        |       |          |         |
 | zlib       |       |          |         |
+
+## Additional Requirements
+
+- phpmicro requires PHP >= 8.0
+- swoole >= 5.0 requires PHP >= 8.0
+- swow requires PHP >= 8.0
+
+## Bugs
+
+See #32.
\ No newline at end of file