diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index e7eba7011a5e..fce70f0a8c3e 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -81,7 +81,7 @@ in
     hash = "sha256-vOt3mO03tEL+Ujrn7zRczCIx2wsCLTBzXC43jTJUoNQ=";
   };
   php85 = mkPhp {
-    version = "8.5.4";
-    hash = "sha256-KskpopprfvS4rOyYGkF7kb339Uj1l99mXMVqueqV/HU=";
+    version = "8.5.5";
+    hash = "sha256-7iYr7/YcQxll0flxkoVLNiCK3qw4mDw0mLs1AK6HKDw=";
   };
 }