diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3965f39a9..6977bfe8c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -301,7 +301,7 @@ jobs:
     needs: [windows-step-1, build-data]
     with:
       build-version: ${{ needs.build-data.outputs.version }}
-      profile-data-path-archive: zen.win64-pgo-stage-1.tar
+      profile-data-path-archive: zen.win64-pgo-stage-1.zip
       release-branch: ${{ inputs.update_branch }}
 
   windows-step-3:
diff --git a/.github/workflows/windows-profile-build.yml b/.github/workflows/windows-profile-build.yml
index a1c4d90a9..694672647 100644
--- a/.github/workflows/windows-profile-build.yml
+++ b/.github/workflows/windows-profile-build.yml
@@ -61,8 +61,7 @@ jobs:
         if: ${{ matrix.arch == 'x86_64' }}
         run: |
           cd C:\artifact
-          ls
-          tar -xf .\${{ inputs.profile-data-path-archive }} -C C:\artifact
+          Expand-Archive -Path .\${{ inputs.profile-data-path-archive }} -DestinationPath C:\artifact
           ls
 
       - name: Setup
diff --git a/.github/workflows/windows-release-build.yml b/.github/workflows/windows-release-build.yml
index ebe2327bc..56bd977a0 100644
--- a/.github/workflows/windows-release-build.yml
+++ b/.github/workflows/windows-release-build.yml
@@ -261,19 +261,19 @@ jobs:
           export ZEN_RELEASE=1
           npm run package
           ls ./dist
-          mv ./dist/zen-$(npm run --silent surfer -- get version | xargs).en-US.win64${{ matrix.arch == 'aarch64' && '-aarch64' || '' }}.tar zen.win64.tar
+          mv ./dist/zen-$(npm run --silent surfer -- get version | xargs).en-US.win64${{ matrix.arch == 'aarch64' && '-aarch64' || '' }}.zip zen.win64.zip
           ls .
 
       - name: Move package for PGO upload
         if: ${{ inputs.generate-gpo && matrix.arch == 'x86_64' }}
         run: |
           set -x
-          mv ./zen.win64.tar ./zen.win64-pgo-stage-1.tar
+          mv ./zen.win64.zip ./zen.win64-pgo-stage-1.zip
 
       - name: Rename artifacts
         if: ${{ !inputs.generate-gpo }}
         run: |
-          mv ./zen.win64.tar zen.win-${{ matrix.arch == 'aarch64' && 'arm64' || matrix.arch }}.tar
+          mv ./zen.win64.zip zen.win-${{ matrix.arch == 'aarch64' && 'arm64' || matrix.arch }}.zip
           mv ./dist/output.mar windows${{ matrix.arch == 'aarch64' && '-arm64' || '' }}.mar
           mv ./dist/zen.installer.exe ./zen.installer${{ matrix.arch == 'aarch64' && '-arm64' || '' }}.exe
 
@@ -283,7 +283,7 @@ jobs:
         with:
           retention-days: 2
           name: ${{ matrix.arch == 'aarch64' && 'arm64' || matrix.arch }}-${{ inputs.profile-data-path-archive }}
-          path: ./zen.win64-pgo-stage-1.tar
+          path: ./zen.win64-pgo-stage-1.zip
 
       - name: Remove unnecessary files from obj
         if: ${{ !inputs.generate-gpo }}
diff --git a/.rust-toolchain b/.rust-toolchain
index 88310d7db..4ec3257a1 100644
--- a/.rust-toolchain
+++ b/.rust-toolchain
@@ -1 +1 @@
-1.90
\ No newline at end of file
+1.94.1
\ No newline at end of file
diff --git a/configs/windows/mozconfig b/configs/windows/mozconfig
index 5e599b0e6..cc93620e7 100644
--- a/configs/windows/mozconfig
+++ b/configs/windows/mozconfig
@@ -10,7 +10,6 @@ if test "$ZEN_CROSS_COMPILING"; then
   export WINEDEBUG=-all
 
   export MOZ_STUB_INSTALLER=1
-  export MOZ_PKG_FORMAT=TAR
 
   export CROSS_BUILD=1
   CROSS_COMPILE=1