diff --git a/collections/motoko/mops.template.toml b/collections/motoko/mops.template.toml
index 99b04602..38a116a7 100644
--- a/collections/motoko/mops.template.toml
+++ b/collections/motoko/mops.template.toml
@@ -1,6 +1,6 @@
 [dependencies]
 base = "https://github.com/dfinity/motoko-base#moc-$MOC_VERSION"
 stableheapbtreemap = "1.3.0"
-map = "9.0.0"
+map = "8.1.0"
 splay = "0.1.0"
 vector = "0.1.2"