diff --git a/.gitignore b/.gitignore
index 59fcab5..6d871fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /num-iter-0.1.34.crate
 /num-iter-0.1.35.crate
 /num-iter-0.1.36.crate
+/num-iter-0.1.37.crate
diff --git a/rust-num-iter.spec b/rust-num-iter.spec
index 50366c9..aa36d80 100644
--- a/rust-num-iter.spec
+++ b/rust-num-iter.spec
@@ -5,7 +5,7 @@
 %global crate num-iter
 
 Name:           rust-%{crate}
-Version:        0.1.36
+Version:        0.1.37
 Release:        1%{?dist}
 Summary:        External iterators for generic mathematics
 
@@ -17,8 +17,8 @@ ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
 # [dependencies]
-BuildRequires:  (crate(num-integer) >= 0.1.37 with crate(num-integer) < 0.2.0)
-BuildRequires:  (crate(num-traits) >= 0.2.3 with crate(num-traits) < 0.3.0)
+BuildRequires:  (crate(num-integer) >= 0.1.38 with crate(num-integer) < 0.2.0)
+BuildRequires:  (crate(num-traits) >= 0.2.4 with crate(num-traits) < 0.3.0)
 
 %description
 %{summary}.
@@ -55,6 +55,9 @@ which use %{crate} from crates.io.
 %exclude %{cargo_registry}/%{crate}-%{version}/{bors.toml,ci}
 
 %changelog
+* Fri May 11 2018 Josh Stone <jistone@redhat.com> - 0.1.37-1
+- Update to 0.1.37
+
 * Fri May 11 2018 Josh Stone <jistone@redhat.com> - 0.1.36-1
 - Update to 0.1.36
 
diff --git a/sources b/sources
index a1f3b3b..a80f15e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (num-iter-0.1.36.crate) = a1d6742da74181de8c2d9c8c6d3ec1d1bf1c97b67efbcbebc4fcd90f7a75b46cd92b7fc5a1498977a777c82392101bacd71ec84c902d579dcfbb1721c98537cb
+SHA512 (num-iter-0.1.37.crate) = 54286da357e3c2895273c6aae66872e9aae3ff565ec71051efd26be5cb4299f0bb89c46982237eedbffe8e86a9327e742d339131114e62d8289ddf18aa1385b9