diff --git a/pkgs/php/7.3.nix b/pkgs/php/7.3.nix
index 72cd4306..3c610c2f 100644
--- a/pkgs/php/7.3.nix
+++ b/pkgs/php/7.3.nix
@@ -13,7 +13,16 @@ let
           url = "https://github.com/NixOS/nixpkgs/raw/42e9a2ccfab2a96d28c3c164a6cf41fb6f769de5/pkgs/development/interpreters/php/php73-darwin-isfinite.patch";
           sha256 = "V0mLLmXa2qJyxIVW/7nEml6cXZTBbr42kkJiij9KPyk=";
         })
-      ];
+        # Handle macos versions that don't start with 10.* in libtool.
+        # https://github.com/php/php-src/commit/d016434ad33284dfaceb8d233351d34356566d7d
+        (prev.pkgs.fetchpatch2 {
+          url = "https://github.com/php/php-src/commit/d016434ad33284dfaceb8d233351d34356566d7d.patch";
+          sha256 = "sha256-x0vEcoXNFeQi3re1TrK/Np9AH5dy3wf95xM08xCyGE0=";
+          includes = [
+            "build/libtool.m4"
+          ];
+        })
+    ];
   };
 in
 base.withExtensions (
diff --git a/pkgs/phps.nix b/pkgs/phps.nix
index 71a884da..63489cc0 100644
--- a/pkgs/phps.nix
+++ b/pkgs/phps.nix
@@ -43,6 +43,9 @@ let
 
               "--enable-libxml"
               "--with-libxml-dir=${prev.libxml2.dev}"
+            ]
+            ++ prev.lib.optionals (prev.lib.versionAtLeast args.version "7.3") [
+              "--with-pcre-regex=${prev.pcre2.dev}"
             ];
 
           buildInputs =