diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 15174b58..1e9f7c40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,8 +8,8 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        toolchain: ["1.40.0", "stable"]
+        os: [ubuntu-latest, macos-latest]
+        toolchain: ["1.46.0", "stable"]
 
     runs-on: ${{ matrix.os }}
 
@@ -24,13 +24,6 @@ jobs:
       - name: Install FoundationDB
         uses: Clikengo/foundationdb-actions-install@v1
 
-      - name: Install Clang
-        if: matrix.os == 'windows-latest'
-        run: |
-          curl -fsSL -o LLVM9.exe https://releases.llvm.org/9.0.0/LLVM-9.0.0-win64.exe
-          7z x LLVM9.exe -y -o"C:/Program Files/LLVM"
-          echo "LIBCLANG_PATH=C:/Program Files/LLVM/bin" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
-
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
diff --git a/README.md b/README.md
index e7d81c1a..d88c08da 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![GitHub Workflow Status](https://img.shields.io/github/workflow/status/Clikengo/foundationdb-rs/CI)](https://github.com/Clikengo/foundationdb-rs/actions)
 [![Codecov](https://img.shields.io/codecov/c/github/Clikengo/foundationdb-rs)](https://codecov.io/gh/Clikengo/foundationdb-rs)
-![Rustc 1.40+](https://img.shields.io/badge/rustc-1.40+-lightgrey)
+![Rustc 1.46+](https://img.shields.io/badge/rustc-1.46+-lightgrey)
 [![Dependabot Status](https://api.dependabot.com/badges/status?host=github&repo=Clikengo/foundationdb-rs)](https://dependabot.com)
 
 # FoundationDB Rust Client
@@ -13,7 +13,7 @@ The repo consists of multiple crates
 | [**foundationdb-sys**](foundationdb-sys/README.md) | [![Crates.io](https://img.shields.io/crates/v/foundationdb-sys)](https://crates.io/crates/foundationdb-sys) [![foundationdb-sys](https://docs.rs/foundationdb-sys/badge.svg)](https://docs.rs/foundationdb-sys) | C API bindings for FoundationDB                             |
 | **foundationdb-gen**                               | n/a                                                                                                                                                                                                             | Code generator for common options and types of FoundationDB |
 
-The current version requires rustc 1.40+ to work (async/await feature).
+The current version requires rustc 1.46+ to work.
 The previous version (0.3) is still maintained and is available within the 0.3 branch.
 
 You can access the `master` branch documentation [here](https://clikengo.github.io/foundationdb-rs/foundationdb/index.html).
diff --git a/foundationdb-bench/Cargo.toml b/foundationdb-bench/Cargo.toml
index f710e48b..95827e18 100644
--- a/foundationdb-bench/Cargo.toml
+++ b/foundationdb-bench/Cargo.toml
@@ -26,4 +26,4 @@ futures = "0.3.0"
 log = "0.4.8"
 rand = "0.7.2"
 stopwatch = "0.0.7"
-structopt = "0.3.3"
+structopt = "0.3.12"
diff --git a/foundationdb-bindingtester/Cargo.toml b/foundationdb-bindingtester/Cargo.toml
index 2144faa2..acc397b8 100644
--- a/foundationdb-bindingtester/Cargo.toml
+++ b/foundationdb-bindingtester/Cargo.toml
@@ -36,4 +36,4 @@ foundationdb-sys = { version = "0.5.1", path = "../foundationdb-sys", default-fe
 futures = "0.3.0"
 log = "0.4.8"
 num-bigint = "0.3.0"
-structopt = "0.3.3"
+structopt = "0.3.12"
diff --git a/foundationdb/README.md b/foundationdb/README.md
index 32334e33..68be0215 100644
--- a/foundationdb/README.md
+++ b/foundationdb/README.md
@@ -4,7 +4,7 @@ This is a wrapper library around the FoundationDB (Fdb) C API. It implements fut
 
 ## Prerequisites
 
-Rust 1.40+
+Rust 1.46+
 
 ### Install FoundationDB
 
diff --git a/scripts/run_bindingtester.sh b/scripts/run_bindingtester.sh
index 04a02c01..80791855 100755
--- a/scripts/run_bindingtester.sh
+++ b/scripts/run_bindingtester.sh
@@ -32,7 +32,7 @@ esac
   ## Run the test
   echo "testers['rust'] = Tester('rust', '${bindingtester}', 2040, 23, MAX_API_VERSION, types=ALL_TYPES)
 " >> ./bindings/bindingtester/known_testers.py
-  ./bindings/bindingtester/bindingtester.py --test-name scripted rust
-  ./bindings/bindingtester/bindingtester.py --num-ops 1000 --api-version 610 --test-name api --compare python rust
-  ./bindings/bindingtester/bindingtester.py --num-ops 1000 --api-version 610 --test-name api --concurrency 5 rust
+  python2 ./bindings/bindingtester/bindingtester.py --test-name scripted rust
+  python2 ./bindings/bindingtester/bindingtester.py --num-ops 1000 --api-version 610 --test-name api --compare python rust
+  python2 ./bindings/bindingtester/bindingtester.py --num-ops 1000 --api-version 610 --test-name api --concurrency 5 rust
 )