diff --git a/pkgs/package-overrides.nix b/pkgs/package-overrides.nix
index e0ea19a6..c59a8136 100644
--- a/pkgs/package-overrides.nix
+++ b/pkgs/package-overrides.nix
@@ -290,6 +290,11 @@ in
         prev.extensions.inotify;
 
     intl = prev.extensions.intl.overrideAttrs (attrs: {
+      buildInputs =
+        if lib.versionOlder prev.php.version "8.1.0" then
+          (builtins.filter (pkg: pkg != pkgs.icu73) attrs.buildInputs) ++ [ pkgs.icu64 ]
+        else
+          attrs.buildInputs;
       doCheck = if lib.versionOlder prev.php.version "7.2" then false else attrs.doCheck or true;
       patches =
         let