diff --git a/.gitignore b/.gitignore
index e96f394..427a156 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /dashmap-3.7.0.crate
+/dashmap-3.9.1.crate
diff --git a/rust-dashmap.spec b/rust-dashmap.spec
index 0748352..240a2ee 100644
--- a/rust-dashmap.spec
+++ b/rust-dashmap.spec
@@ -6,7 +6,7 @@
 %global crate dashmap
 
 Name:           rust-%{crate}
-Version:        3.7.0
+Version:        3.9.1
 Release:        1%{?dist}
 Summary:        Blazing fast concurrent HashMap for Rust
 
@@ -53,6 +53,30 @@ which use "default" feature of "%{crate}" crate.
 %files       -n %{name}+default-devel
 %ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
 
+%package     -n %{name}+hashbrown-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+hashbrown-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "hashbrown" feature of "%{crate}" crate.
+
+%files       -n %{name}+hashbrown-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+no_std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+no_std-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "no_std" feature of "%{crate}" crate.
+
+%files       -n %{name}+no_std-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
 %package     -n %{name}+raw-api-devel
 Summary:        %{summary}
 BuildArch:      noarch
@@ -96,5 +120,8 @@ which use "serde" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Wed Apr 01 2020 Josh Stone <jistone@redhat.com> - 3.9.1-1
+- Update to 3.9.1
+
 * Sat Mar 21 17:22:43 CET 2020 Igor Raits <ignatenkobrain@fedoraproject.org> - 3.7.0-1
 - Initial package
diff --git a/sources b/sources
index 7763646..07437ec 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (dashmap-3.7.0.crate) = fc95654a1a8b36384c60ec3497606b87f5c3dcf3e87ae26e82c846810bf3039443db5f2fab08537d20e443574413b4ad73a678157f5361377ba30c773ed46f81
+SHA512 (dashmap-3.9.1.crate) = d2d4438468cb2d12a4b48c6eb1d9c6b9b5cd571e8faddb7330be6f3cd6a10a4525322aa5598ad94ad9c69720dece1fbc40f35f36f6cd729a5f47c50441dd8ed6