diff --git a/broken/broken.txt b/broken/broken.txt
new file mode 100644
index 000000000..302947ecf
--- /dev/null
+++ b/broken/broken.txt
@@ -0,0 +1,18 @@
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+win-64/cartopy-0.18.0-py38hde6099d_1.tar.bz2
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+osx-64/cartopy-0.18.0-py38hc94dab3_1.tar.bz2
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+osx-64/cartopy-0.18.0-py36h557f2e0_1.tar.bz2
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+win-64/cartopy-0.18.0-py38h4990f70_0.tar.bz2
+win-64/cartopy-0.18.0-py37h2f21321_0.tar.bz2
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+osx-64/cartopy-0.18.0-py38h9f7df5a_0.tar.bz2
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+osx-64/cartopy-0.18.0-py36h5a1ef21_0.tar.bz2
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+linux-64/cartopy-0.18.0-py37h4b180d9_0.tar.bz2
\ No newline at end of file