diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 48a300e78e..6ea2885e8f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -56,6 +56,12 @@ jobs:
       with:
         submodules: true
     - uses: ./.github/actions/install-rust
+      # Note that the usage of this nightly toolchain is temporary until it
+      # rides to stable. After this nightly version becomes stable (Rust 1.69.0)
+      # then this should switch back to using stable by deleting the `with` and
+      # `toolchain` options.
+      with:
+        toolchain: nightly-2023-01-31
     # On one builder produce the source tarball since there's no need to produce
     # it everywhere
     - run: ./ci/build-src-tarball.sh
diff --git a/ci/build-tarballs.sh b/ci/build-tarballs.sh
index 07030bcfdf..491a6d94af 100755
--- a/ci/build-tarballs.sh
+++ b/ci/build-tarballs.sh
@@ -49,8 +49,6 @@ if [ "$platform" = "x86_64-windows" ]; then
   "$WIX/bin/light" -out dist/$bin_pkgname.msi target/wasmtime.wixobj -ext WixUtilExtension
   rm dist/$bin_pkgname.wixpdb
 elif [ "$platform" = "x86_64-mingw" ]; then
-  # FIXME: remove when https://github.com/rust-lang/rust/issues/107495 is fixed
-  chmod 0664 target/x86_64-pc-windows-gnu/release/libwasmtime.a
   cp target/x86_64-pc-windows-gnu/release/wasmtime.exe tmp/$bin_pkgname
   cp target/x86_64-pc-windows-gnu/release/{wasmtime.dll,libwasmtime.a,libwasmtime.dll.a} tmp/$api_pkgname/lib
   fmt=zip
@@ -59,24 +57,16 @@ elif [ "$platform" = "x86_64-macos" ]; then
   # directive than the default one that comes out of the linker when typically
   # doing `cargo build`. For more info see #984
   install_name_tool -id "@rpath/libwasmtime.dylib" target/release/libwasmtime.dylib
-  # FIXME: remove when https://github.com/rust-lang/rust/issues/107495 is fixed
-  sudo chmod 0664 target/release/libwasmtime.a
   cp target/release/wasmtime tmp/$bin_pkgname
   cp target/release/libwasmtime.{a,dylib} tmp/$api_pkgname/lib
 elif [ "$platform" = "aarch64-macos" ]; then
   install_name_tool -id "@rpath/libwasmtime.dylib" target/aarch64-apple-darwin/release/libwasmtime.dylib
-  # FIXME: remove when https://github.com/rust-lang/rust/issues/107495 is fixed
-  sudo chmod 0664 target/aarch64-apple-darwin/release/libwasmtime.a
   cp target/aarch64-apple-darwin/release/wasmtime tmp/$bin_pkgname
   cp target/aarch64-apple-darwin/release/libwasmtime.{a,dylib} tmp/$api_pkgname/lib
 elif [ "$target" = "" ]; then
-  # FIXME: remove when https://github.com/rust-lang/rust/issues/107495 is fixed
-  sudo chmod 0664 target/release/libwasmtime.a
   cp target/release/wasmtime tmp/$bin_pkgname
   cp target/release/libwasmtime.{a,so} tmp/$api_pkgname/lib
 else
-  # FIXME: remove when https://github.com/rust-lang/rust/issues/107495 is fixed
-  sudo chmod 0664 target/$target/release/libwasmtime.a
   cp target/$target/release/wasmtime tmp/$bin_pkgname
   cp target/$target/release/libwasmtime.{a,so} tmp/$api_pkgname/lib
 fi