diff --git a/pkgs/development/php-packages/swoole/default.nix b/pkgs/development/php-packages/swoole/default.nix
index 5c7358630169..595dd33e8312 100644
--- a/pkgs/development/php-packages/swoole/default.nix
+++ b/pkgs/development/php-packages/swoole/default.nix
@@ -5,11 +5,13 @@
   php,
   valgrind,
   pcre2,
+  openssl,
+  pkg-config,
   fetchFromGitHub,
 }:
 
 let
-  version = "6.1.8";
+  version = "6.2.3";
 in
 buildPecl {
   inherit version;
@@ -19,10 +21,23 @@ buildPecl {
     owner = "swoole";
     repo = "swoole-src";
     tag = "v${version}";
-    hash = "sha256-z/f3GLI/PQJJWcY968fOH00btDaKDx3M0Nb/IOjDgeY=";
+    hash = "sha256-VAtFR90bnS0ipta/BSOmmcEGTB+rzIQ83hm4lmrPJVI=";
   };
 
-  buildInputs = [ pcre2 ] ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [ valgrind ];
+  # sw_usleep is undefined in the non-futex (Darwin) path
+  # https://github.com/swoole/swoole-src/issues/6243
+  postPatch = ''
+    substituteInPlace src/core/misc.cc \
+      --replace-fail "sw_usleep(1000);" "usleep(1000);"
+  '';
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [
+    openssl
+    pcre2
+  ]
+  ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [ valgrind ];
 
   # tests require internet access
   doCheck = false;