diff --git a/gnu/packages/guile.scm b/gnu/packages/guile.scm
index 6e11a13c5629753f97429da85924e522a2f145bb..e871685f027977f56728d74ca21dff0fba0ebd6f 100644
--- a/gnu/packages/guile.scm
+++ b/gnu/packages/guile.scm
@@ -470,6 +470,10 @@ (define-public guile-json
     ;; Version 1.2.0 switched to GPLv3+ (from LGPLv3+).
     (license license:gpl3+)))
 
+(define-public guile-json-1
+  ;; This is the 1.x branch of Guile-JSON.
+  guile-json)
+
 (define-public guile2.2-json
   (deprecated-package "guile2.2-json" guile-json))