diff --git a/fallible_collections-fix-metadata.diff b/fallible_collections-fix-metadata.diff
new file mode 100644
index 0000000..888a9b0
--- /dev/null
+++ b/fallible_collections-fix-metadata.diff
@@ -0,0 +1,11 @@
+--- fallible_collections-0.4.3/Cargo.toml	1970-01-01T00:00:00+00:00
++++ fallible_collections-0.4.3/Cargo.toml	2021-08-11T17:01:22.169479+00:00
+@@ -21,7 +21,7 @@
+ license = "MIT/Apache-2.0"
+ repository = "https://github.com/vcombey/fallible_collections.git"
+ [dependencies.hashbrown]
+-version = "0.11.2"
++version = "0.9"
+ 
+ [features]
+ std_io = []