diff --git a/core/siren-core-package-overrides.el b/core/siren-core-package-overrides.el
index ea8a560..3e221ed 100644
--- a/core/siren-core-package-overrides.el
+++ b/core/siren-core-package-overrides.el
@@ -8,6 +8,11 @@
 
 (setq straight-recipe-overrides
       '((nil . (
+                ;; Override go-playground to use my fork, which has a fix for
+                ;; uploading to go.dev/play.
+                (go-playground :type git :host github :repo "grafov/go-playground"
+                               :fork (:host github :repo "jimeh/go-playground"
+                                            :branch "fix-upload"))
                 ;; Override vertico recipe to fix issues with extensions.
                 (vertico :type git :host github :repo "minad/vertico"
                          :files (:defaults "extensions/*" (:exclude ".git")))))))