diff --git a/.gitignore b/.gitignore
index a1c5778..c9fead2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -307,3 +307,11 @@
 /rust-1.46.0-powerpc64-unknown-linux-gnu.tar.xz
 /rust-1.46.0-s390x-unknown-linux-gnu.tar.xz
 /rust-1.46.0-x86_64-unknown-linux-gnu.tar.xz
+/rustc-1.48.0-src.tar.xz
+/rust-1.47.0-aarch64-unknown-linux-gnu.tar.xz
+/rust-1.47.0-armv7-unknown-linux-gnueabihf.tar.xz
+/rust-1.47.0-i686-unknown-linux-gnu.tar.xz
+/rust-1.47.0-powerpc64le-unknown-linux-gnu.tar.xz
+/rust-1.47.0-powerpc64-unknown-linux-gnu.tar.xz
+/rust-1.47.0-s390x-unknown-linux-gnu.tar.xz
+/rust-1.47.0-x86_64-unknown-linux-gnu.tar.xz
diff --git a/rust.spec b/rust.spec
index 915481e..baea48b 100644
--- a/rust.spec
+++ b/rust.spec
@@ -1,5 +1,5 @@
 # Only x86_64 and i686 are Tier 1 platforms at this time.
-# https://forge.rust-lang.org/platform-support.html
+# https://doc.rust-lang.org/nightly/rustc/platform-support.html
 %global rust_arches x86_64 i686 armv7hl aarch64 ppc64 ppc64le s390x
 
 # The channel can be stable, beta, or nightly
@@ -9,10 +9,10 @@
 # e.g. 1.10.0 wants rustc: 1.9.0-2016-05-24
 # or nightly wants some beta-YYYY-MM-DD
 # Note that cargo matches the program version here, not its crate version.
-%global bootstrap_rust 1.46.0
-%global bootstrap_cargo 1.46.0
-%global bootstrap_channel 1.46.0
-%global bootstrap_date 2020-08-27
+%global bootstrap_rust 1.47.0
+%global bootstrap_cargo 1.47.0
+%global bootstrap_channel 1.47.0
+%global bootstrap_date 2020-10-08
 
 # Only the specified arches will use bootstrap binaries.
 #global bootstrap_arches %%{rust_arches}
@@ -52,7 +52,7 @@
 %endif
 
 Name:           rust
-Version:        1.47.0
+Version:        1.48.0
 Release:        1%{?dist}
 Summary:        The Rust Programming Language
 License:        (ASL 2.0 or MIT) and (BSD and MIT)
@@ -76,15 +76,15 @@ Patch2:         0001-doc-disambiguate-stat-in-MetadataExt-as_raw_stat.patch
 ### RHEL-specific patches below ###
 
 # Disable cargo->libgit2->libssh2 on RHEL, as it's not approved for FIPS (rhbz1732949)
-Patch100:       rustc-1.47.0-disable-libssh2.patch
+Patch100:       rustc-1.48.0-disable-libssh2.patch
 
 # libcurl on RHEL7 doesn't have http2, but since cargo requests it, curl-sys
 # will try to build it statically -- instead we turn off the feature.
-Patch101:       rustc-1.47.0-disable-http2.patch
+Patch101:       rustc-1.48.0-disable-http2.patch
 
 # kernel rh1410097 causes too-small stacks for PIE.
 # (affects RHEL6 kernels when building for RHEL7)
-Patch102:       rustc-1.45.0-no-default-pie.patch
+Patch102:       rustc-1.48.0-no-default-pie.patch
 
 
 # Get the Rust triple for any arch.
@@ -297,7 +297,7 @@ its standard library.
 %package -n cargo
 Summary:        Rust's package manager and build tool
 %if %with bundled_libgit2
-Provides:       bundled(libgit2) = 1.0.0
+Provides:       bundled(libgit2) = 1.1.0
 %endif
 %if %with bundled_libssh2
 Provides:       bundled(libssh2) = 1.9.0~dev
@@ -343,7 +343,7 @@ A tool for formatting Rust code according to style guidelines.
 %package -n rls
 Summary:        Rust Language Server for IDE integration
 %if %with bundled_libgit2
-Provides:       bundled(libgit2) = 1.0.0
+Provides:       bundled(libgit2) = 1.1.0
 %endif
 %if %with bundled_libssh2
 Provides:       bundled(libssh2) = 1.9.0~dev
@@ -421,7 +421,7 @@ rm -rf vendor/libnghttp2-sys/
 %endif
 
 %if 0%{?rhel} && 0%{?rhel} < 8
-%patch102 -p1 -b .no-pie
+%patch102 -p1
 %endif
 
 %if "%{python}" != "python3"
@@ -431,12 +431,14 @@ sed -i.try-python -e '/^try python3 /i try "%{python}" "$@"' ./configure
 
 %if %without bundled_llvm
 rm -rf src/llvm-project/
+mkdir -p src/llvm-project/libunwind/
 %endif
 
 # Remove other unused vendored libraries
 rm -rf vendor/curl-sys/curl/
 rm -rf vendor/jemalloc-sys/jemalloc/
 rm -rf vendor/libz-sys/src/zlib/
+rm -rf vendor/libz-sys/src/zlib-ng/
 rm -rf vendor/lzma-sys/xz-*/
 rm -rf vendor/openssl-src/openssl/
 
@@ -493,12 +495,6 @@ find -name '*.rs' -type f -perm /111 -exec chmod -v -x '{}' '+'
 
 
 %build
-# This package fails to build with LTO due to undefined symbols.  LTO
-# was disabled in OpenSuSE as well, but with no real explanation why
-# beyond the undefined symbols.  It really should be investigated further.
-# Disable LTO
-%define _lto_cflags %{nil}
-
 export %{rust_env}
 
 # We're going to override --libdir when configuring to get rustlib into a
@@ -686,7 +682,6 @@ export %{rust_env}
 %{_docdir}/%{name}/html/*/
 %{_docdir}/%{name}/html/*.html
 %{_docdir}/%{name}/html/*.css
-%{_docdir}/%{name}/html/*.ico
 %{_docdir}/%{name}/html/*.js
 %{_docdir}/%{name}/html/*.png
 %{_docdir}/%{name}/html/*.svg
@@ -742,6 +737,12 @@ export %{rust_env}
 
 
 %changelog
+* Thu Nov 19 2020 Josh Stone <jistone@redhat.com> - 1.48.0-1
+- Update to 1.48.0.
+
+* Sat Oct 10 2020 Jeff Law <law@redhat.com> - 1.47.0-2
+- Re-enable LTO
+
 * Thu Oct 08 2020 Josh Stone <jistone@redhat.com> - 1.47.0-1
 - Update to 1.47.0.
 
diff --git a/rustc-1.47.0-disable-http2.patch b/rustc-1.48.0-disable-http2.patch
similarity index 75%
rename from rustc-1.47.0-disable-http2.patch
rename to rustc-1.48.0-disable-http2.patch
index e59c892..a162fd0 100644
--- a/rustc-1.47.0-disable-http2.patch
+++ b/rustc-1.48.0-disable-http2.patch
@@ -1,6 +1,6 @@
---- rustc-1.47.0-src/Cargo.lock.orig	2020-10-08 12:21:40.516837553 -0700
-+++ rustc-1.47.0-src/Cargo.lock	2020-10-08 12:23:25.327581933 -0700
-@@ -837,7 +837,6 @@
+--- rustc-1.48.0-src/Cargo.lock.orig	2020-11-16 09:36:19.889728111 -0800
++++ rustc-1.48.0-src/Cargo.lock	2020-11-16 09:36:19.890728089 -0800
+@@ -849,7 +849,6 @@
  dependencies = [
   "cc",
   "libc",
@@ -8,7 +8,7 @@
   "libz-sys",
   "openssl-sys",
   "pkg-config",
-@@ -1642,16 +1641,6 @@
+@@ -1682,16 +1681,6 @@
  ]
  
  [[package]]
@@ -23,10 +23,10 @@
 -
 -[[package]]
  name = "libz-sys"
- version = "1.0.27"
+ version = "1.1.2"
  source = "registry+https://github.com/rust-lang/crates.io-index"
---- rustc-1.47.0-src/src/tools/cargo/Cargo.toml.orig	2020-10-07 01:04:03.000000000 -0700
-+++ rustc-1.47.0-src/src/tools/cargo/Cargo.toml	2020-10-08 12:22:17.830034534 -0700
+--- rustc-1.48.0-src/src/tools/cargo/Cargo.toml.orig	2020-11-16 06:02:09.000000000 -0800
++++ rustc-1.48.0-src/src/tools/cargo/Cargo.toml	2020-11-16 09:36:19.890728089 -0800
 @@ -25,7 +25,7 @@
  crates-io = { path = "crates/crates-io", version = "0.31.1" }
  crossbeam-utils = "0.7"
@@ -36,8 +36,8 @@
  curl-sys = "0.4.22"
  env_logger = "0.7.0"
  pretty_env_logger = { version = "0.4", optional = true }
---- rustc-1.47.0-src/src/tools/cargo/src/cargo/core/package.rs.orig	2020-10-07 01:04:03.000000000 -0700
-+++ rustc-1.47.0-src/src/tools/cargo/src/cargo/core/package.rs	2020-10-08 12:23:11.246884961 -0700
+--- rustc-1.48.0-src/src/tools/cargo/src/cargo/core/package.rs.orig	2020-11-16 06:02:09.000000000 -0800
++++ rustc-1.48.0-src/src/tools/cargo/src/cargo/core/package.rs	2020-11-16 09:36:19.890728089 -0800
 @@ -396,14 +396,8 @@
          // Also note that pipelining is disabled as curl authors have indicated
          // that it's buggy, and we've empirically seen that it's buggy with HTTP
diff --git a/rustc-1.47.0-disable-libssh2.patch b/rustc-1.48.0-disable-libssh2.patch
similarity index 58%
rename from rustc-1.47.0-disable-libssh2.patch
rename to rustc-1.48.0-disable-libssh2.patch
index 5a03b13..6916e74 100644
--- a/rustc-1.47.0-disable-libssh2.patch
+++ b/rustc-1.48.0-disable-libssh2.patch
@@ -1,6 +1,6 @@
---- rustc-1.47.0-src/Cargo.lock.orig	2020-10-07 00:53:22.000000000 -0700
-+++ rustc-1.47.0-src/Cargo.lock	2020-10-08 12:15:07.361298619 -0700
-@@ -1636,7 +1636,6 @@
+--- rustc-1.48.0-src/Cargo.lock.orig	2020-11-16 06:01:53.000000000 -0800
++++ rustc-1.48.0-src/Cargo.lock	2020-11-16 09:27:44.425104404 -0800
+@@ -1676,7 +1676,6 @@
  dependencies = [
   "cc",
   "libc",
@@ -8,14 +8,14 @@
   "libz-sys",
   "openssl-sys",
   "pkg-config",
-@@ -1653,20 +1652,6 @@
+@@ -1693,20 +1692,6 @@
  ]
  
  [[package]]
 -name = "libssh2-sys"
--version = "0.2.18"
+-version = "0.2.19"
 -source = "registry+https://github.com/rust-lang/crates.io-index"
--checksum = "eafa907407504b0e683786d4aba47acf250f114d37357d56608333fd167dd0fc"
+-checksum = "ca46220853ba1c512fc82826d0834d87b06bcd3c2a42241b7de72f3d2fe17056"
 -dependencies = [
 - "cc",
 - "libc",
@@ -27,10 +27,10 @@
 -
 -[[package]]
  name = "libz-sys"
- version = "1.0.27"
+ version = "1.1.2"
  source = "registry+https://github.com/rust-lang/crates.io-index"
---- rustc-1.47.0-src/vendor/git2/Cargo.toml.orig	2020-10-07 02:33:31.000000000 -0700
-+++ rustc-1.47.0-src/vendor/git2/Cargo.toml	2020-10-08 12:13:37.697228272 -0700
+--- rustc-1.48.0-src/vendor/git2/Cargo.toml.orig	2020-11-16 06:27:49.000000000 -0800
++++ rustc-1.48.0-src/vendor/git2/Cargo.toml	2020-11-16 09:27:44.425104404 -0800
 @@ -49,7 +49,7 @@
  version = "0.1.39"
  
diff --git a/rustc-1.45.0-no-default-pie.patch b/rustc-1.48.0-no-default-pie.patch
similarity index 79%
rename from rustc-1.45.0-no-default-pie.patch
rename to rustc-1.48.0-no-default-pie.patch
index 726df24..bb6b3d1 100644
--- a/rustc-1.45.0-no-default-pie.patch
+++ b/rustc-1.48.0-no-default-pie.patch
@@ -1,8 +1,6 @@
-diff --git a/src/librustc_codegen_ssa/back/link.rs b/src/librustc_codegen_ssa/back/link.rs
-index dcce1d45298c..5c11f7276f26 100644
---- a/src/librustc_codegen_ssa/back/link.rs
-+++ b/src/librustc_codegen_ssa/back/link.rs
-@@ -1184,10 +1184,12 @@ fn exec_linker(
+--- rustc-1.48.0-src/compiler/rustc_codegen_ssa/src/back/link.rs.orig	2020-11-16 06:01:53.000000000 -0800
++++ rustc-1.48.0-src/compiler/rustc_codegen_ssa/src/back/link.rs	2020-11-16 09:37:15.779516797 -0800
+@@ -1185,10 +1185,12 @@
  }
  
  fn link_output_kind(sess: &Session, crate_type: CrateType) -> LinkOutputKind {
diff --git a/sources b/sources
index 748da43..eb048bc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (rustc-1.47.0-src.tar.xz) = 6ba83c0158f8130ddeae7e070417a2121d8a548c8fe97e28bce116d84048636c75aaee78e0c92cd43a50f5679a1223fc226cc8c5ba9bbd1465e84c5c6034d5c9
+SHA512 (rustc-1.48.0-src.tar.xz) = 4e12baa6893238a8d336ec9ebe891477d18676f271b32763474fa7a6a8b58fb3187dd4e2aa95bce482989b692cc2e1360221669d6811eec71b326f22a1756c23
diff --git a/sources-bootstrap b/sources-bootstrap
index 2e17a5a..bdfa9f7 100644
--- a/sources-bootstrap
+++ b/sources-bootstrap
@@ -1,8 +1,8 @@
-SHA512 (rustc-1.47.0-src.tar.xz) = 6ba83c0158f8130ddeae7e070417a2121d8a548c8fe97e28bce116d84048636c75aaee78e0c92cd43a50f5679a1223fc226cc8c5ba9bbd1465e84c5c6034d5c9
-SHA512 (rust-1.46.0-aarch64-unknown-linux-gnu.tar.xz) = 53e5d8afadaa9505286dce4acbb911126d17bc7bf45ea4685070ff07be7f6c7860e543a7686eeac695e7e3e127ca38ba2f09b73467fbf5f92d0b2195467c51f2
-SHA512 (rust-1.46.0-armv7-unknown-linux-gnueabihf.tar.xz) = c7e320fd5169c99bf8a12fb5bf1c5fb19a05d14f75ce655e4b64cad3456594ef09be1da7ac34a09b5d84da0c857d1a6e5a0695b5ff04cda491ea92fea15d28dc
-SHA512 (rust-1.46.0-i686-unknown-linux-gnu.tar.xz) = b01e9b06c9de50e43bc6b5e1a5e6cc49dab1cf28b9cf0a8b974d2630c7ed4c6a5df6f321c872e11eb622c42f1d8cfaec77c1b67254a84365464fe3415acfa07f
-SHA512 (rust-1.46.0-powerpc64le-unknown-linux-gnu.tar.xz) = 986f0bf7995f35836b73fb7045cf43ae5efe0c2543c75c66cdcc0f8c1dd3513def3c291e021241e328142deaca690ce113526ffc870c4412a7841f244258a43e
-SHA512 (rust-1.46.0-powerpc64-unknown-linux-gnu.tar.xz) = 40f9423d838cab74b9920372e728c4ca7057005d83af587387dd2b164a0bf93de65cebc035320bce25f80914c63ce65b84218b9a776b0b905428e4cba0821b8b
-SHA512 (rust-1.46.0-s390x-unknown-linux-gnu.tar.xz) = b6146695225ff6d0516e7bb6bc4620599356bb89b14f429a09d9d7f8715a94e8e218402346d5c9a10eeb54c0bdc40fb179289216b0cb4edd5bdf886f6b69aab4
-SHA512 (rust-1.46.0-x86_64-unknown-linux-gnu.tar.xz) = 95f5adc2d2137010c7e5ac8a0fc70485250b4f9a909cb8b164b35fffff76ab88e9b09d305bfac37324ed080c5fc7643001d2abec5454ca911dc3513f1af52c88
+SHA512 (rustc-1.48.0-src.tar.xz) = 4e12baa6893238a8d336ec9ebe891477d18676f271b32763474fa7a6a8b58fb3187dd4e2aa95bce482989b692cc2e1360221669d6811eec71b326f22a1756c23
+SHA512 (rust-1.47.0-aarch64-unknown-linux-gnu.tar.xz) = 7df7045df341f03508f1ad795a9117b39c1f4c4cc778c7fd9d78c42e7da662ce244d018084ac9e80d9409cf8b3b5d1ccc25ef4cb71a2b8727398d30a4e962e19
+SHA512 (rust-1.47.0-armv7-unknown-linux-gnueabihf.tar.xz) = b207ab7c478dce6db4018527888f539938c8e77b5ceccb460b9d52ffee13a2329d225d03a605b60729cae6254129245bdd69730aebb6ec91dd0c83005cf25253
+SHA512 (rust-1.47.0-i686-unknown-linux-gnu.tar.xz) = 551204b4edfc1500aa83108c88b845997bb6befba0dd3401e9ae5294ab27960421f1b3130159946b996171c1d46f7532afa0c3ae767a9318985db0bb7c88dba0
+SHA512 (rust-1.47.0-powerpc64le-unknown-linux-gnu.tar.xz) = d5c6580861786545f0540cc9591884fb9f2036061bdd451d17cf8bfb427008d365cacd14e5054028c72b83d1d5eb347ab74478a882cbbd7fcc75a7421657561c
+SHA512 (rust-1.47.0-powerpc64-unknown-linux-gnu.tar.xz) = 46fa1c042aebb06db4185fed6ef3bc7772f2a13f2290a20f5499757aae2a05dc984026315be7b5813aac172f52f50565e56aa074d32f6271858590a9ceb9e1c7
+SHA512 (rust-1.47.0-s390x-unknown-linux-gnu.tar.xz) = dd5877b6ff5c310ca6aa23c1cc621e6b0675d4c46f5a06b2a0b107641b604a1a2101109ba8e286267bab1158768c601d5d9a922a8da72486c91755ef465720c0
+SHA512 (rust-1.47.0-x86_64-unknown-linux-gnu.tar.xz) = f695986ab8e67636b0e92ca7ea223984121e3c22788434a6f1062690e7932f6b30c0c302160fef96831f821acedaf8a909bd3d00a9aa873c7200d2b8fa39013f