diff --git a/.gitignore b/.gitignore
index f981a14..e8b4f8c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@
 /rand-0.8.1.crate
 /rand-0.8.2.crate
 /rand-0.8.3.crate
+/rand-0.8.4.crate
diff --git a/rand-fix-metadata.diff b/rand-fix-metadata.diff
index 94285e8..6ea2cb1 100644
--- a/rand-fix-metadata.diff
+++ b/rand-fix-metadata.diff
@@ -1,6 +1,6 @@
---- rand-0.8.3/Cargo.toml	1970-01-01T00:00:00+00:00
-+++ rand-0.8.3/Cargo.toml	2021-03-21T13:23:07.524769+00:00
-@@ -66,14 +66,11 @@
+--- rand-0.8.4/Cargo.toml	1970-01-01T00:00:00+00:00
++++ rand-0.8.4/Cargo.toml	2021-06-17T08:18:29.182805+00:00
+@@ -67,14 +67,11 @@
  simd_support = ["packed_simd"]
  small_rng = []
  std = ["rand_core/std", "rand_chacha/std", "alloc", "getrandom", "libc"]
diff --git a/rust-rand.spec b/rust-rand.spec
index f620799..a0f15f7 100644
--- a/rust-rand.spec
+++ b/rust-rand.spec
@@ -1,14 +1,11 @@
 # Generated by rust2rpm 17
-# * temporarily disable test suite to work around LLVM 11 codegen issues
-#   since Rust 1.50.0:
-#   https://bugzilla.redhat.com/show_bug.cgi?id=1920403#c1
-%bcond_with check
+%bcond_without check
 %global debug_package %{nil}
 
 %global crate rand
 
 Name:           rust-%{crate}
-Version:        0.8.3
+Version:        0.8.4
 Release:        1%{?dist}
 Summary:        Random number generators and other randomness functionality
 
@@ -17,7 +14,7 @@ License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/rand
 Source:         %{crates_source}
 # Initial patched metadata
-# * Remove non-unix dependencies
+# * drop emscripten-specific dependencies and features
 Patch0:         rand-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
@@ -106,6 +103,18 @@ which use "log" feature of "%{crate}" crate.
 %files       -n %{name}+log-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
+%package     -n %{name}+min_const_gen-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+min_const_gen-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "min_const_gen" feature of "%{crate}" crate.
+
+%files       -n %{name}+min_const_gen-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
 %package     -n %{name}+rand_chacha-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -197,6 +206,10 @@ which use "std_rng" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Thu Jun 17 2021 Fabio Valentini <decathorpe@gmail.com> - 0.8.4-1
+- Update to version 0.8.4.
+- Fixes RHBZ#1972295
+
 * Sun Mar 28 2021 Fabio Valentini <decathorpe@gmail.com> - 0.8.3-1
 - Update to version 0.8.3.
 - Fixes RHBZ#1920403
diff --git a/sources b/sources
index da7f31f..d9c74af 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (rand-0.8.3.crate) = fd61348a8c3187881473c8764238d2388da3419e82174f2877cda51a7cd136106b2c7f0dea6b914f120b929c1db323529fa161465156661ffd19eef9b2737e4d
+SHA512 (rand-0.8.4.crate) = 77ae0e988e31e12f7d3f2c40814f930eecbc94c4aced827c337be78eeeabf39fde2dc5c4fda059afdc01285ff4afe30393c32694377de004feff16207606558e