diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 66dbe36..e212f9b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,14 +25,14 @@ jobs:
           ninja_sudo: sudo
           rust: stable
           tar: osx
-        - target: x86_64-pc-windows-msvc
-          os: windows-latest
-          ninja_file: ninja-win.zip
-          ninja_sha: bbde850d247d2737c5764c927d1071cbb1f1957dcabda4a130fa8547c12c695f
-          ninja_dir: /usr/bin
-          ninja_sudo:
-          rust: stable
-          tar: windows
+        # - target: x86_64-pc-windows-msvc
+        #   os: windows-latest
+        #   ninja_file: ninja-win.zip
+        #   ninja_sha: bbde850d247d2737c5764c927d1071cbb1f1957dcabda4a130fa8547c12c695f
+        #   ninja_dir: /usr/bin
+        #   ninja_sudo:
+        #   rust: stable
+        #   tar: windows
     steps:
     - uses: actions/checkout@v1
     - name: Install coreutils
@@ -74,10 +74,10 @@ jobs:
       uses: actions/download-artifact@v2
       with:
         name: solana-bpf-tools-osx.tar.bz2
-    - name: Download Windows tarball
-      uses: actions/download-artifact@v2
-      with:
-        name: solana-bpf-tools-windows.tar.bz2
+    # - name: Download Windows tarball
+    #   uses: actions/download-artifact@v2
+    #   with:
+    #     name: solana-bpf-tools-windows.tar.bz2
     - name: Create Release
       id: create_release
       uses: actions/create-release@v1
@@ -108,13 +108,13 @@ jobs:
         asset_path: solana-bpf-tools-osx.tar.bz2
         asset_name: solana-bpf-tools-osx.tar.bz2
         asset_content_type: application/zip
-    - name: Release Windows tarball
-      id: upload-release-windows
-      uses: actions/upload-release-asset@v1
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      with:
-        upload_url: ${{ steps.create_release.outputs.upload_url }}
-        asset_path: solana-bpf-tools-windows.tar.bz2
-        asset_name: solana-bpf-tools-windows.tar.bz2
-        asset_content_type: application/zip
+    # - name: Release Windows tarball
+    #   id: upload-release-windows
+    #   uses: actions/upload-release-asset@v1
+    #   env:
+    #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    #   with:
+    #     upload_url: ${{ steps.create_release.outputs.upload_url }}
+    #     asset_path: solana-bpf-tools-windows.tar.bz2
+    #     asset_name: solana-bpf-tools-windows.tar.bz2
+    #     asset_content_type: application/zip
diff --git a/build.sh b/build.sh
index abc0581..603fd55 100755
--- a/build.sh
+++ b/build.sh
@@ -23,10 +23,10 @@ rm -rf out
 mkdir -p out
 pushd out
 
-git clone --single-branch --branch bpf-tools-v1.18 https://github.com/solana-labs/rust.git
+git clone --single-branch --branch bpf-tools-v1.19 https://github.com/solana-labs/rust.git
 echo "$( cd rust && git rev-parse HEAD )  https://github.com/solana-labs/rust.git" >> version.md
 
-git clone --single-branch --branch rust-1.54.0 https://github.com/rust-lang/cargo.git
+git clone --single-branch --branch rust-1.56.0 https://github.com/rust-lang/cargo.git
 echo "$( cd cargo && git rev-parse HEAD )  https://github.com/rust-lang/cargo.git" >> version.md
 
 pushd rust
@@ -38,7 +38,7 @@ OPENSSL_STATIC=1 cargo build --release
 popd
 
 if [[ "${HOST_TRIPLE}" != "x86_64-pc-windows-msvc" ]] ; then
-    git clone --single-branch --branch bpf-tools-v1.18 https://github.com/solana-labs/newlib.git
+    git clone --single-branch --branch bpf-tools-v1.19 https://github.com/solana-labs/newlib.git
     echo "$( cd newlib && git rev-parse HEAD )  https://github.com/solana-labs/newlib.git" >> version.md
     mkdir -p newlib_build
     mkdir -p newlib_install
@@ -74,7 +74,7 @@ clang
 clang++
 clang-cl
 clang-cpp
-clang-12
+clang-13
 ld.lld
 ld64.lld
 llc