diff --git a/Xledger.Collections.sln b/Xledger.Collections.sln
deleted file mode 100644
index 028f67c..0000000
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diff --git a/Xledger.Collections.slnx b/Xledger.Collections.slnx
new file mode 100644
index 0000000..7ad49c4
--- /dev/null
+++ b/Xledger.Collections.slnx
@@ -0,0 +1,5 @@
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