diff --git a/im-rc-fix-metadata.diff b/im-rc-fix-metadata.diff
new file mode 100644
index 0000000..0d7ac34
--- /dev/null
+++ b/im-rc-fix-metadata.diff
@@ -0,0 +1,24 @@
+--- im-rc-15.0.0/Cargo.toml	2020-05-15T19:00:18+00:00
++++ im-rc-15.0.0/Cargo.toml	2020-09-25T09:43:04.988395+00:00
+@@ -37,7 +37,7 @@
+ version = "2"
+ 
+ [dependencies.proptest]
+-version = "0.9"
++version = "0.10"
+ optional = true
+ 
+ [dependencies.quickcheck]
+@@ -74,10 +74,10 @@
+ version = "0.6"
+ 
+ [dev-dependencies.proptest]
+-version = "0.9"
++version = "0.10"
+ 
+ [dev-dependencies.proptest-derive]
+-version = "0.1"
++version = "0.2"
+ 
+ [dev-dependencies.rand]
+ version = "0.7"
diff --git a/rust-im-rc.spec b/rust-im-rc.spec
index 237f5d7..f8c0b9b 100644
--- a/rust-im-rc.spec
+++ b/rust-im-rc.spec
@@ -1,5 +1,5 @@
 # Generated by rust2rpm 13
-# * metrohash and proptest-derive are not packaged
+# * metrohash is not packaged
 %bcond_with check
 %global debug_package %{nil}
 
@@ -7,13 +7,15 @@
 
 Name:           rust-%{crate}
 Version:        15.0.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Immutable collection datatypes (the fast but not thread safe version)
 
 # Upstream license specification: MPL-2.0+
 License:        MPLv2.0
 URL:            https://crates.io/crates/im-rc
 Source:         %{crates_source}
+# Initial patched metadata
+Patch0:         im-rc-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 %if %{__cargo_skip_build}
@@ -168,6 +170,9 @@ which use "serde" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Fri Sep 25 2020 Fabio Valentini <decathorpe@gmail.com> - 15.0.0-3
+- Bump proptest to 0.10 and proptest-derive to 0.2.
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 15.0.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild