diff --git a/pubspec.yaml b/pubspec.yaml
index 942b452..1a9cf75 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -42,7 +42,10 @@ dependencies:
   chain_studio_flow_editor:
     git:
       url: https://git.flemming.ai/fai/chain-studio-flow-editor
-      ref: main
+      # Tag-pinned so a CI (override-free) build is reproducible and an
+      # editor push can't retroactively change what a Studio release
+      # builds against. Bump this in lockstep with the editor tag.
+      ref: v0.22.0
 
 dev_dependencies:
   flutter_test: