diff --git a/implementations/javascript/packages/core/.yarnrc b/implementations/javascript/packages/core/.yarnrc
new file mode 100644
index 0000000..3a08eab
--- /dev/null
+++ b/implementations/javascript/packages/core/.yarnrc
@@ -0,0 +1 @@
+version-tag-prefix javascript-@preserves/core@
diff --git a/implementations/javascript/packages/schema/.yarnrc b/implementations/javascript/packages/schema/.yarnrc
new file mode 100644
index 0000000..81ebdf7
--- /dev/null
+++ b/implementations/javascript/packages/schema/.yarnrc
@@ -0,0 +1 @@
+version-tag-prefix javascript-@preserves/schema@