diff --git a/.gitignore b/.gitignore
index 5494ef9..9c524e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ nimcache
 TODO
 nimble.develop
 nimble.paths
+nimbledeps
diff --git a/config.nims b/config.nims
index ed3a531..d36ad3f 100644
--- a/config.nims
+++ b/config.nims
@@ -14,3 +14,7 @@ when (NimMajor, NimMinor) > (1, 2):
 when withDir(thisDir(), system.fileExists("nimble.paths")):
   include "nimble.paths"
 # end Nimble config
+
+when (NimMajor, NimMinor) >= (2, 0):
+  --mm:refc
+