--- a/taskcluster/ci/toolchain/cbindgen.yml
+++ b/taskcluster/ci/toolchain/cbindgen.yml
@@ -24,50 +24,50 @@ linux64-cbindgen:
         symbol: TL(cbindgen)
     worker:
         max-run-time: 1800
     run:
         arguments: ['x86_64-unknown-linux-gnu']
     fetches:
         toolchain:
             - linux64-clang-13
-            - linux64-rust-1.47
+            - linux64-rust-1.57
             - sysroot-x86_64-linux-gnu
 
 macosx64-cbindgen:
     treeherder:
         symbol: TM(cbindgen)
     run:
         arguments: ['x86_64-apple-darwin']
     fetches:
         toolchain:
             - linux64-cctools-port-clang-13
             - linux64-clang-13
-            - linux64-rust-macos-1.47
+            - linux64-rust-macos-1.57
             - macosx64-sdk-11.0
 
 macosx64-aarch64-cbindgen:
     treeherder:
         symbol: TM(cbindgen-arm64)
     run:
         arguments: ['aarch64-apple-darwin']
     fetches:
         toolchain:
             - linux64-cctools-port-clang-13
             - linux64-clang-13
-            - linux64-rust-macos-1.49
+            - linux64-rust-macos-1.57
             - macosx64-sdk-11.0
 
 win64-cbindgen:
     treeherder:
         symbol: TW64(cbindgen)
     worker-type: b-win2012
     worker:
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/vs2017-15.9.manifest"
     run:
         arguments: ['x86_64-pc-windows-msvc']
         resources:
             - taskcluster/scripts/misc/tooltool-download.sh
         tooltool-downloads: internal
     fetches:
         toolchain:
-            - win64-rust-1.47
+            - win64-rust-1.57

--- a/taskcluster/ci/toolchain/fix-stacks.yml
+++ b/taskcluster/ci/toolchain/fix-stacks.yml
@@ -22,43 +22,43 @@ linux64-fix-stacks:
         symbol: TL(fix-stacks)
     run:
         arguments: ['x86_64-unknown-linux-gnu']
         toolchain-artifact: public/build/fix-stacks.tar.zst
     fetches:
         toolchain:
             - linux64-binutils
             - linux64-clang-13
-            - linux64-rust-1.47
+            - linux64-rust-1.57
             - sysroot-x86_64-linux-gnu
 
 macosx64-fix-stacks:
     treeherder:
         symbol: TM(fix-stacks)
     run:
         arguments: ['x86_64-apple-darwin']
         toolchain-artifact: public/build/fix-stacks.tar.zst
     fetches:
         toolchain:
             - linux64-cctools-port-clang-13
             - linux64-clang-13
-            - linux64-rust-macos-1.47
+            - linux64-rust-macos-1.57
             - macosx64-sdk-11.0
 
 macosx64-aarch64-fix-stacks:
     treeherder:
         symbol: TM(fix-stacks-arm64)
     run:
         arguments: ['aarch64-apple-darwin']
         toolchain-artifact: public/build/fix-stacks.tar.zst
     fetches:
         toolchain:
             - linux64-cctools-port-clang-13
             - linux64-clang-13
-            - linux64-rust-macos-1.49
+            - linux64-rust-macos-1.57
             - macosx64-sdk-11.0
 
 win32-fix-stacks:
     treeherder:
         symbol: TW32(fix-stacks)
     worker:
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/vs2017-15.9.manifest"
@@ -67,9 +67,9 @@ win32-fix-stacks:
         toolchain-artifact: public/build/fix-stacks.tar.zst
         resources:
             - 'taskcluster/scripts/misc/tooltool-download.sh'
         tooltool-downloads: internal
     fetches:
         toolchain:
             - linux64-clang-13
             - linux64-liblowercase
-            - linux64-rust-windows-1.47
+            - linux64-rust-windows-1.57

--- a/taskcluster/ci/toolchain/grcov.yml
+++ b/taskcluster/ci/toolchain/grcov.yml
@@ -14,17 +14,17 @@ job-defaults:
         fetch:
             - grcov
 
 linux64-grcov:
     treeherder:
         symbol: TL(grcov)
     fetches:
         toolchain:
-            - linux64-rust-1.47
+            - linux64-rust-1.57
             - linux64-clang
             - linux64-binutils
             - sysroot-x86_64-linux-gnu
 
 win64-grcov:
     treeherder:
         symbol: TW64(grcov)
     worker-type: b-win2012
@@ -32,9 +32,9 @@ win64-grcov:
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/vs2017-15.9.manifest"
     run:
         resources:
             - 'taskcluster/scripts/misc/tooltool-download.sh'
         tooltool-downloads: internal
     fetches:
         toolchain:
-            - win64-rust-1.47
+            - win64-rust-1.57

--- a/taskcluster/ci/toolchain/misc.yml
+++ b/taskcluster/ci/toolchain/misc.yml
@@ -261,17 +261,17 @@ linux64-makecab:
         symbol: TL(cab)
     run:
         script: build-makecab.sh
         toolchain-artifact: public/build/makecab.tar.zst
     fetches:
         fetch:
             - makecab
         toolchain:
-            - linux64-rust-1.47
+            - linux64-rust-1.57
 
 win64-mozmake:
     description: "mozmake for Windows"
     treeherder:
         symbol: TW64(mozmake)
     worker:
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/vs2017-15.9.manifest"

--- a/taskcluster/ci/toolchain/rust-size.yml
+++ b/taskcluster/ci/toolchain/rust-size.yml
@@ -15,25 +15,25 @@ job-defaults:
 linux64-rust-size:
     treeherder:
         symbol: TL(rust-size)
     worker-type: b-linux
     run:
         toolchain-artifact: public/build/rust-size.tar.zst
     fetches:
         toolchain:
-            - linux64-rust-1.47
+            - linux64-rust-1.57
 
 win64-rust-size:
     treeherder:
         symbol: TW64(rust-size)
     worker-type: b-win2012
     worker:
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/vs2017-15.9.manifest"
     run:
         toolchain-artifact: public/build/rust-size.tar.zst
         resources:
             - 'taskcluster/scripts/misc/tooltool-download.sh'
         tooltool-downloads: internal
     fetches:
         toolchain:
-            - win64-rust-1.47
+            - win64-rust-1.57

--- a/taskcluster/ci/toolchain/sccache.yml
+++ b/taskcluster/ci/toolchain/sccache.yml
@@ -21,49 +21,49 @@ linux64-sccache:
         symbol: TL(sccache)
     worker-type: b-linux
     worker:
         max-run-time: 1800
     run:
         toolchain-artifact: public/build/sccache.tar.zst
     fetches:
         toolchain:
-            - linux64-rust-1.47
+            - linux64-rust-1.57
             - linux64-clang-13
             - linux64-binutils
             - sysroot-x86_64-linux-gnu
 
 macosx64-sccache:
     treeherder:
         symbol: TM(sccache)
     worker-type: b-linux
     worker:
         max-run-time: 1800
     run:
         arguments: ['x86_64-apple-darwin']
         toolchain-artifact: public/build/sccache.tar.zst
     fetches:
         toolchain:
-            - linux64-rust-macos-1.47
+            - linux64-rust-macos-1.57
             - linux64-clang-13
             - linux64-cctools-port-clang-13
             - macosx64-sdk-11.0
 
 macosx64-aarch64-sccache:
     treeherder:
         symbol: TM(sccache-aarch64)
     worker-type: b-linux
     worker:
         max-run-time: 1800
     run:
         arguments: ['aarch64-apple-darwin']
         toolchain-artifact: public/build/sccache.tar.zst
     fetches:
         toolchain:
-            - linux64-rust-macos-1.49
+            - linux64-rust-macos-1.57
             - linux64-clang-13
             - linux64-cctools-port-clang-13
             - macosx64-sdk-11.0
 
 win64-sccache:
     treeherder:
         symbol: TW64(sccache)
     worker-type: b-win2012
@@ -73,9 +73,9 @@ win64-sccache:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/vs2017-15.9.manifest"
     run:
         toolchain-artifact: public/build/sccache.tar.zst
         resources:
             - 'taskcluster/scripts/misc/tooltool-download.sh'
         tooltool-downloads: internal
     fetches:
         toolchain:
-            - win64-rust-1.47
+            - win64-rust-1.57