diff --git a/.gitignore b/.gitignore
index f04a2ff..1dc9ca7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/rustc-1.45.0-src.tar.xz
+SOURCES/rustc-1.45.2-src.tar.xz
diff --git a/.rust.metadata b/.rust.metadata
index 6351c58..9082dca 100644
--- a/.rust.metadata
+++ b/.rust.metadata
@@ -1,2 +1 @@
-7447f361432a8c569eb5b5ab85b784a898dd61d2 SOURCES/rustc-1.45.0-src.tar.xz
-b2b17448384bc9e972bb275e0a40afc4128fde1e SOURCES/rust-1.44.0-armv7-unknown-linux-gnueabihf.tar.xz
+ef2e4d6a728918cc78dd535a3d6d842fa485e8c7 SOURCES/rustc-1.45.2-src.tar.xz
diff --git a/SOURCES/0001-Fix-jobserver_exists-test-on-single-cpu-systems.patch b/SOURCES/0001-Fix-jobserver_exists-test-on-single-cpu-systems.patch
new file mode 100644
index 0000000..1650679
--- /dev/null
+++ b/SOURCES/0001-Fix-jobserver_exists-test-on-single-cpu-systems.patch
@@ -0,0 +1,29 @@
+From 02fc16aece46abcd23d2ade2d969497f07fe26ab Mon Sep 17 00:00:00 2001
+From: Alex Crichton <alex@alexcrichton.com>
+Date: Fri, 7 Aug 2020 12:50:25 -0700
+Subject: [PATCH] Fix jobserver_exists test on single-cpu systems
+
+Closes #8595
+---
+ tests/testsuite/jobserver.rs | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/tests/testsuite/jobserver.rs b/tests/testsuite/jobserver.rs
+index 9e91c956cd75..16518ee2c614 100644
+--- a/tests/testsuite/jobserver.rs
++++ b/tests/testsuite/jobserver.rs
+@@ -51,7 +51,10 @@ fn jobserver_exists() {
+         .file("src/lib.rs", "")
+         .build();
+ 
+-    p.cargo("build").run();
++    // Explicitly use `-j2` to ensure that there's eventually going to be a
++    // token to read from `valdiate` above, since running the build script
++    // itself consumes a token.
++    p.cargo("build -j2").run();
+ }
+ 
+ #[cargo_test]
+-- 
+2.26.2
+
diff --git a/SPECS/rust.spec b/SPECS/rust.spec
index 350fd2c..0b2cfe1 100644
--- a/SPECS/rust.spec
+++ b/SPECS/rust.spec
@@ -1,7 +1,7 @@
 # Only x86_64 and i686 are Tier 1 platforms at this time.
 # https://forge.rust-lang.org/platform-support.html
-%global rust_arches x86_64 i686 armv7hl aarch64 ppc64 ppc64le s390x
-#global rust_arches x86_64 i686 aarch64 ppc64le s390x
+#global rust_arches x86_64 i686 armv7hl aarch64 ppc64 ppc64le s390x
+%global rust_arches x86_64 i686 aarch64 ppc64le s390x
 
 # The channel can be stable, beta, or nightly
 %{!?channel: %global channel stable}
@@ -16,7 +16,7 @@
 %global bootstrap_date 2020-06-04
 
 # Only the specified arches will use bootstrap binaries.
-%global bootstrap_arches armv7hl
+#global bootstrap_arches %%{rust_arches}
 
 # Using llvm-static may be helpful as an opt-in, e.g. to aid LLVM rebases.
 %bcond_with llvm_static
@@ -49,7 +49,7 @@
 %endif
 
 Name:           rust
-Version:        1.45.0
+Version:        1.45.2
 Release:        1%{?dist}
 Summary:        The Rust Programming Language
 License:        (ASL 2.0 or MIT) and (BSD and MIT)
@@ -64,6 +64,9 @@ ExclusiveArch:  %{rust_arches}
 %endif
 Source0:        https://static.rust-lang.org/dist/%{rustc_package}.tar.xz
 
+# https://github.com/rust-lang/cargo/pull/8598
+Patch1:         0001-Fix-jobserver_exists-test-on-single-cpu-systems.patch
+
 # Disable cargo->libgit2->libssh2, as it's not approved for FIPS (rhbz1732949)
 Patch10:        rustc-1.42.0-disable-libssh2.patch
 
@@ -399,6 +402,8 @@ test -f '%{local_rust_root}/bin/rustc'
 
 %setup -q -n %{rustc_package}
 
+%patch1 -p1 -d src/tools/cargo
+
 %if %with disabled_libssh2
 %patch10 -p1
 %endif
@@ -723,6 +728,9 @@ rm -f %{buildroot}%{rustlibdir}/etc/lldb_*.py*
 
 
 %changelog
+* Tue Aug 04 2020 Josh Stone <jistone@redhat.com> - 1.45.2-1
+- Update to 1.45.2.
+
 * Thu Jul 16 2020 Josh Stone <jistone@redhat.com> - 1.45.0-1
 - Update to 1.45.0.