diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e38dea88..520d665f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,7 +55,7 @@ jobs:
       - run: docker compose up -d
       - uses: sfackler/actions/rustup@master
         with:
-          version: 1.51.0
+          version: 1.53.0
       - run: echo "::set-output name=version::$(rustc --version)"
         id: rust-version
       - uses: actions/cache@v1
diff --git a/tokio-postgres/Cargo.toml b/tokio-postgres/Cargo.toml
index 5974fe64..7d898e26 100644
--- a/tokio-postgres/Cargo.toml
+++ b/tokio-postgres/Cargo.toml
@@ -46,7 +46,7 @@ byteorder = "1.0"
 fallible-iterator = "0.2"
 futures = "0.3"
 log = "0.4"
-parking_lot = "0.11"
+parking_lot = "0.12"
 percent-encoding = "2.0"
 pin-project-lite = "0.2"
 phf = "0.10"