diff --git a/contrib/reproducible/guix/build.sh b/contrib/reproducible/guix/build.sh
index 8969f82f9..c540181bb 100755
--- a/contrib/reproducible/guix/build.sh
+++ b/contrib/reproducible/guix/build.sh
@@ -20,7 +20,7 @@ replace-with = "vendored_sources"
 
 [source."https://github.com/wizardsardine/liana"]
 git = "https://github.com/wizardsardine/liana"
-branch = "master"
+branch = "1.0"
 replace-with = "vendored_sources"
 EOF