diff --git a/pkgs/development/libraries/webkitgtk/default.nix b/pkgs/development/libraries/webkitgtk/default.nix
index 251fe2886d19..c98af56362d4 100644
--- a/pkgs/development/libraries/webkitgtk/default.nix
+++ b/pkgs/development/libraries/webkitgtk/default.nix
@@ -29,6 +29,7 @@
   libjxl,
   at-spi2-core,
   cairo,
+  expat,
   libxml2,
   libsoup_3,
   libsecret,
@@ -142,6 +143,7 @@ clangStdenv.mkDerivation (finalAttrs: {
     at-spi2-core
     cairo # required even when using skia
     enchant
+    expat
     flite
     libavif
     libepoxy