diff --git a/Cargo.lock b/Cargo.lock
index 2a2d4084..de4bf75a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,9 +27,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "bitflags"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2da1976d75adbe5fbc88130ecd119529cf1cc6a93ae1546d8696ee66f0d21af1"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bytecount"
diff --git a/README.md b/README.md
index 4c3ae40a..831354db 100644
--- a/README.md
+++ b/README.md
@@ -1171,7 +1171,7 @@ maturin build --no-sdist --release --strip --cargo-extra-args="--features=unstab
 
 To build on the stable channel, do not specify `--features=unstable-simd`.
 
-The project's own CI tests against `nightly-2021-08-04` and stable 1.54. It
+The project's own CI tests against `nightly-2021-08-17` and stable 1.54. It
 is prudent to pin the nightly version because that channel can introduce
 breaking changes.
 
diff --git a/ci/azure-linux-container.yml b/ci/azure-linux-container.yml
index 90726bdb..276c916b 100644
--- a/ci/azure-linux-container.yml
+++ b/ci/azure-linux-container.yml
@@ -14,9 +14,6 @@ parameters:
   - name: toolchain
     type: string
     default : ''
-  - name: verifyManylinux
-    type: boolean
-    default : true
 
 steps:
 - bash: curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain $(toolchain) --profile minimal -y
@@ -31,7 +28,6 @@ steps:
   displayName: build
 - bash: PATH=$(path) $(interpreter) -m auditwheel repair target/wheels/orjson*.whl
   displayName: verify that wheel conforms to manylinux tag
-  condition: eq(${{ parameters.verifyManylinux }}, true)
 - bash: PATH=$(path) $(interpreter) -m pip install --user target/wheels/orjson*.whl
   displayName: install
 - bash: PATH=$(path) $(interpreter) -m pip install --user -r test/requirements.txt -r integration/requirements.txt
diff --git a/ci/azure-pipelines.yml b/ci/azure-pipelines.yml
index ad7681b2..4dce739a 100644
--- a/ci/azure-pipelines.yml
+++ b/ci/azure-pipelines.yml
@@ -4,7 +4,7 @@ pr:
     - '*'
 
 variables:
-  toolchain: nightly-2021-08-04
+  toolchain: nightly-2021-08-17
 
 jobs:
 
@@ -55,7 +55,6 @@ jobs:
     interpreter: python3.10
     manylinux: 2_24
     path: /home/vsts_azpcontainer/.local/bin:/home/vsts_azpcontainer/.cargo/bin:/opt/python/cp310-cp310/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin
-    verifyManylinux: true
   steps:
   - checkout: self
   - template: ./azure-linux-container.yml
@@ -69,7 +68,6 @@ jobs:
     interpreter: python3.9
     manylinux: 2_24
     path: /home/vsts_azpcontainer/.local/bin:/home/vsts_azpcontainer/.cargo/bin:/opt/python/cp39-cp39/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin
-    verifyManylinux: true
   steps:
   - checkout: self
   - template: ./azure-linux-container.yml
@@ -83,7 +81,6 @@ jobs:
     interpreter: python3.8
     manylinux: 2_24
     path: /home/vsts_azpcontainer/.local/bin:/home/vsts_azpcontainer/.cargo/bin:/opt/python/cp38-cp38/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin
-    verifyManylinux: true
   steps:
   - checkout: self
   - template: ./azure-linux-container.yml
@@ -97,7 +94,6 @@ jobs:
     interpreter: python3.7
     manylinux: 2_24
     path: /home/vsts_azpcontainer/.local/bin:/home/vsts_azpcontainer/.cargo/bin:/opt/python/cp37-cp37m/bin:/usr/local/bin:/usr/local/sbin:/usr/sbin:/usr/bin:/sbin:/bin
-    verifyManylinux: true
   steps:
   - checkout: self
   - template: ./azure-linux-container.yml
@@ -111,7 +107,6 @@ jobs:
     interpreter: python3.9
     manylinux: 2014
     path: /home/vsts_azpcontainer/.local/bin:/home/vsts_azpcontainer/.cargo/bin:/opt/python/cp39-cp39/bin:/opt/rh/devtoolset-9/root/usr/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-    verifyManylinux: true
   steps:
   - checkout: self
   - template: ./azure-linux-container.yml
@@ -125,7 +120,6 @@ jobs:
     interpreter: python3.8
     manylinux: 2014
     path: /home/vsts_azpcontainer/.local/bin:/home/vsts_azpcontainer/.cargo/bin:/opt/python/cp38-cp38/bin:/opt/rh/devtoolset-9/root/usr/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-    verifyManylinux: true
   steps:
   - checkout: self
   - template: ./azure-linux-container.yml
@@ -139,7 +133,6 @@ jobs:
     interpreter: python3.7
     manylinux: 2014
     path: /home/vsts_azpcontainer/.local/bin:/home/vsts_azpcontainer/.cargo/bin:/opt/python/cp37-cp37m/bin:/opt/rh/devtoolset-9/root/usr/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
-    verifyManylinux: true
   steps:
   - checkout: self
   - template: ./azure-linux-container.yml
diff --git a/ci/drone.yml b/ci/drone.yml
index 75c80b9d..3a724cfa 100644
--- a/ci/drone.yml
+++ b/ci/drone.yml
@@ -14,7 +14,7 @@ steps:
     MATURIN_PASSWORD:
       from_secret: twine_password
   commands:
-    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-04 --profile minimal -y
+    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-17 --profile minimal -y
     - python3.10 -m pip install --user --upgrade pip maturin==0.11.2
     - maturin build --no-sdist --release --strip --compatibility 2_24 --cargo-extra-args="--features=unstable-simd" --interpreter python3.10
     - python3.10 -m pip install --user target/wheels/orjson*.whl
@@ -38,7 +38,7 @@ steps:
     MATURIN_PASSWORD:
       from_secret: twine_password
   commands:
-    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-04 --profile minimal -y
+    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-17 --profile minimal -y
     - python3.9 -m pip install --user --upgrade pip maturin==0.11.2
     - maturin build --no-sdist --release --strip --compatibility 2_24 --cargo-extra-args="--features=unstable-simd" --interpreter python3.9
     - python3.9 -m pip install --user target/wheels/orjson*.whl
@@ -62,7 +62,7 @@ steps:
     MATURIN_PASSWORD:
       from_secret: twine_password
   commands:
-    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-04 --profile minimal -y
+    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-17 --profile minimal -y
     - python3.8 -m pip install --user --upgrade pip maturin==0.11.2
     - maturin build --no-sdist --release --strip --compatibility 2_24 --cargo-extra-args="--features=unstable-simd" --interpreter python3.8
     - python3.8 -m pip install --user target/wheels/orjson*.whl
@@ -86,7 +86,7 @@ steps:
     MATURIN_PASSWORD:
       from_secret: twine_password
   commands:
-    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-04 --profile minimal -y
+    - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2021-08-17 --profile minimal -y
     - python3.7 -m pip install --user --upgrade pip maturin==0.11.2
     - maturin build --no-sdist --release --strip --compatibility 2_24 --cargo-extra-args="--features=unstable-simd" --interpreter python3.7
     - python3.7 -m pip install --user target/wheels/orjson*.whl
diff --git a/pyproject.toml b/pyproject.toml
index 757cd2c8..3d061173 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,9 +7,8 @@ build-backend = "maturin"
 requires = ["maturin>=0.11.2,<0.12"]
 
 [tool.maturin]
-manylinux = "off"
 sdist-include = ["Cargo.lock"]
-strip = "on"
+strip = true
 
 [tool.black]
 line-length = 88