diff

diff --git a/src/core/CompUnit/Repository/Locally.pm b/src/core/CompUnit/Repository/Locally.pm
index bab6b34..cd1a330 100644
--- a/src/core/CompUnit/Repository/Locally.pm
+++ b/src/core/CompUnit/Repository/Locally.pm
@@ -3,9 +3,8 @@ role CompUnit::Repository::Locally {
     has IO::Path $.prefix is required;
     has Str      $.WHICH;
 
-    my %instances;
-
     method new(CompUnit::Repository::Locally: Str:D :$prefix, CompUnit::Repository :$next-repo) {
+        state %instances;
         my $abspath := $*SPEC.rel2abs($prefix);
         my $IO      := IO::Path.new-from-absolute-path($abspath);