diff --git a/.github/workflows/ci-post-merge.yml b/.github/workflows/ci-post-merge.yml
index 39ee9a136..3f4899352 100644
--- a/.github/workflows/ci-post-merge.yml
+++ b/.github/workflows/ci-post-merge.yml
@@ -49,7 +49,7 @@ jobs:
           toolchain: ${{ matrix.version.version }}
 
       - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
-        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
+        uses: taiki-e/install-action@81a2f66614862089b24532663f669a485d79c889 # v2.67.10
         with:
           tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
@@ -83,7 +83,7 @@ jobs:
         uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c # v1.15.2
 
       - name: Install just, cargo-hack
-        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
+        uses: taiki-e/install-action@81a2f66614862089b24532663f669a485d79c889 # v2.67.10
         with:
           tool: just,cargo-hack
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ded9bf725..557832dab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -64,7 +64,7 @@ jobs:
           toolchain: ${{ matrix.version.version }}
 
       - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
-        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
+        uses: taiki-e/install-action@81a2f66614862089b24532663f669a485d79c889 # v2.67.10
         with:
           tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
@@ -117,7 +117,7 @@ jobs:
           toolchain: nightly
 
       - name: Install just
-        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
+        uses: taiki-e/install-action@81a2f66614862089b24532663f669a485d79c889 # v2.67.10
         with:
           tool: just
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 42b5176c0..1ee0710b6 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -24,7 +24,7 @@ jobs:
           components: llvm-tools
 
       - name: Install just, cargo-llvm-cov, cargo-nextest
-        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
+        uses: taiki-e/install-action@81a2f66614862089b24532663f669a485d79c889 # v2.67.10
         with:
           tool: just,cargo-llvm-cov,cargo-nextest
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 1aeb396dc..f9de38600 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -77,7 +77,7 @@ jobs:
           toolchain: ${{ vars.RUST_VERSION_EXTERNAL_TYPES }}
 
       - name: Install just
-        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
+        uses: taiki-e/install-action@81a2f66614862089b24532663f669a485d79c889 # v2.67.10
         with:
           tool: just
 
diff --git a/.github/workflows/semver-labeler.yml b/.github/workflows/semver-labeler.yml
index 79ffd621c..0f96a0125 100644
--- a/.github/workflows/semver-labeler.yml
+++ b/.github/workflows/semver-labeler.yml
@@ -23,6 +23,6 @@ jobs:
         with:
           toolchain: stable
 
-      - uses: JohnTitor/cargo-semver-checks@main
+      - uses: JohnTitor/cargo-semver-checks@affdc88d7edadc20ad05cf7d901097bcd53ef29e # v0.2.0
         with:
           label-prefix: B-semver-
diff --git a/Cargo.lock b/Cargo.lock
index b2c08267e..632cd063d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2018,9 +2018,9 @@ dependencies = [
 
 [[package]]
 name = "num-conv"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+checksum = "cf97ec579c3c42f953ef76dbf8d55ac91fb219dde70e49aa4a6b7d74e9919050"
 
 [[package]]
 name = "num-traits"
@@ -2967,9 +2967,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.45"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9e442fc33d7fdb45aa9bfeb312c095964abdf596f7567261062b2a7107aaabd"
+checksum = "9da98b7d9b7dad93488a84b8248efc35352b0b2657397d4167e7ad67e5d535e5"
 dependencies = [
  "deranged",
  "itoa",
@@ -2982,15 +2982,15 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b36ee98fd31ec7426d599183e8fe26932a8dc1fb76ddb6214d05493377d34ca"
+checksum = "7694e1cfe791f8d31026952abf09c69ca6f6fa4e1a1229e18988f06a04a12dca"
 
 [[package]]
 name = "time-macros"
-version = "0.2.25"
+version = "0.2.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71e552d1249bf61ac2a52db88179fd0673def1e1ad8243a00d9ec9ed71fee3dd"
+checksum = "78cc610bac2dcee56805c99642447d4c5dbde4d01f752ffea0199aee1f601dc4"
 dependencies = [
  "num-conv",
  "time-core",
diff --git a/Cargo.toml b/Cargo.toml
index 79677d017..360239d33 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ homepage = "https://actix.rs"
 repository = "https://github.com/actix/actix-web"
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.83"
+rust-version = "1.88"
 
 [profile.dev]
 # Disabling debug info speeds up builds a bunch and we don't rely on it for debugging that much.
diff --git a/actix-files/CHANGES.md b/actix-files/CHANGES.md
index e366fbdd8..7c4d008d8 100644
--- a/actix-files/CHANGES.md
+++ b/actix-files/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 0.6.9
 
diff --git a/actix-files/README.md b/actix-files/README.md
index e3c712e94..7bc0b90d8 100644
--- a/actix-files/README.md
+++ b/actix-files/README.md
@@ -4,7 +4,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-files?label=latest)](https://crates.io/crates/actix-files)
 [![Documentation](https://docs.rs/actix-files/badge.svg?version=0.6.9)](https://docs.rs/actix-files/0.6.9)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![License](https://img.shields.io/crates/l/actix-files.svg)
 <br />
 [![dependency status](https://deps.rs/crate/actix-files/0.6.9/status.svg)](https://deps.rs/crate/actix-files/0.6.9)
diff --git a/actix-http-test/CHANGES.md b/actix-http-test/CHANGES.md
index d2e405fe9..be19d251a 100644
--- a/actix-http-test/CHANGES.md
+++ b/actix-http-test/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 3.2.0
 
diff --git a/actix-http-test/README.md b/actix-http-test/README.md
index 617ef1b9b..c242c8ab2 100644
--- a/actix-http-test/README.md
+++ b/actix-http-test/README.md
@@ -4,7 +4,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-http-test?label=latest)](https://crates.io/crates/actix-http-test)
 [![Documentation](https://docs.rs/actix-http-test/badge.svg?version=3.2.0)](https://docs.rs/actix-http-test/3.2.0)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-http-test)
 <br>
 [![Dependency Status](https://deps.rs/crate/actix-http-test/3.2.0/status.svg)](https://deps.rs/crate/actix-http-test/3.2.0)
diff --git a/actix-http/CHANGES.md b/actix-http/CHANGES.md
index 4bbd7a880..197370bdf 100644
--- a/actix-http/CHANGES.md
+++ b/actix-http/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 3.11.2
 
diff --git a/actix-http/README.md b/actix-http/README.md
index e94749d61..08dae437c 100644
--- a/actix-http/README.md
+++ b/actix-http/README.md
@@ -6,7 +6,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-http?label=latest)](https://crates.io/crates/actix-http)
 [![Documentation](https://docs.rs/actix-http/badge.svg?version=3.11.2)](https://docs.rs/actix-http/3.11.2)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-http.svg)
 <br />
 [![dependency status](https://deps.rs/crate/actix-http/3.11.2/status.svg)](https://deps.rs/crate/actix-http/3.11.2)
diff --git a/actix-multipart-derive/CHANGES.md b/actix-multipart-derive/CHANGES.md
index e8f85bbe0..44e0d8435 100644
--- a/actix-multipart-derive/CHANGES.md
+++ b/actix-multipart-derive/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 0.7.0
 
diff --git a/actix-multipart-derive/README.md b/actix-multipart-derive/README.md
index 82ef49257..05b37dfe8 100644
--- a/actix-multipart-derive/README.md
+++ b/actix-multipart-derive/README.md
@@ -6,7 +6,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-multipart-derive?label=latest)](https://crates.io/crates/actix-multipart-derive)
 [![Documentation](https://docs.rs/actix-multipart-derive/badge.svg?version=0.7.0)](https://docs.rs/actix-multipart-derive/0.7.0)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-multipart-derive.svg)
 <br />
 [![dependency status](https://deps.rs/crate/actix-multipart-derive/0.7.0/status.svg)](https://deps.rs/crate/actix-multipart-derive/0.7.0)
diff --git a/actix-multipart/CHANGES.md b/actix-multipart/CHANGES.md
index 727cb897f..3dfca18b5 100644
--- a/actix-multipart/CHANGES.md
+++ b/actix-multipart/CHANGES.md
@@ -2,8 +2,10 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
 - Add `MultipartForm` support for `Option<Vec<T>>` fields. [#3577]
+- Minimum supported Rust version (MSRV) is now 1.88.
+
+[#3577]: https://github.com/actix/actix-web/pull/3577
 
 ## 0.7.2
 
@@ -83,7 +85,6 @@
 - `MultipartError` is now marked as non-exhaustive. [#2451]
 
 [#2451]: https://github.com/actix/actix-web/pull/2451
-[#3577]: https://github.com/actix/actix-web/pull/3577
 
 ## 0.4.0-beta.7
 
diff --git a/actix-multipart/README.md b/actix-multipart/README.md
index 1c1e90615..1faacd6a8 100644
--- a/actix-multipart/README.md
+++ b/actix-multipart/README.md
@@ -4,7 +4,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-multipart?label=latest)](https://crates.io/crates/actix-multipart)
 [![Documentation](https://docs.rs/actix-multipart/badge.svg?version=0.7.2)](https://docs.rs/actix-multipart/0.7.2)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-multipart.svg)
 <br />
 [![dependency status](https://deps.rs/crate/actix-multipart/0.7.2/status.svg)](https://deps.rs/crate/actix-multipart/0.7.2)
diff --git a/actix-router/CHANGES.md b/actix-router/CHANGES.md
index 0a79111bd..781bdefe5 100644
--- a/actix-router/CHANGES.md
+++ b/actix-router/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 0.5.3
 
diff --git a/actix-router/README.md b/actix-router/README.md
index 3f750b46a..20444904c 100644
--- a/actix-router/README.md
+++ b/actix-router/README.md
@@ -4,7 +4,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-router?label=latest)](https://crates.io/crates/actix-router)
 [![Documentation](https://docs.rs/actix-router/badge.svg?version=0.5.3)](https://docs.rs/actix-router/0.5.3)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-router.svg)
 <br />
 [![dependency status](https://deps.rs/crate/actix-router/0.5.3/status.svg)](https://deps.rs/crate/actix-router/0.5.3)
diff --git a/actix-test/CHANGES.md b/actix-test/CHANGES.md
index e368e2f7f..fc64cb7a3 100644
--- a/actix-test/CHANGES.md
+++ b/actix-test/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 0.1.5
 
diff --git a/actix-test/README.md b/actix-test/README.md
index 3bd2d1550..3a0caf2ef 100644
--- a/actix-test/README.md
+++ b/actix-test/README.md
@@ -4,7 +4,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-test?label=latest)](https://crates.io/crates/actix-test)
 [![Documentation](https://docs.rs/actix-test/badge.svg?version=0.1.5)](https://docs.rs/actix-test/0.1.5)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-test.svg)
 <br />
 [![dependency status](https://deps.rs/crate/actix-test/0.1.5/status.svg)](https://deps.rs/crate/actix-test/0.1.5)
diff --git a/actix-web-actors/CHANGES.md b/actix-web-actors/CHANGES.md
index e85c62bd6..79fecaadf 100644
--- a/actix-web-actors/CHANGES.md
+++ b/actix-web-actors/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 4.3.1 <!-- v4.3.1+deprecated -->
 
diff --git a/actix-web-actors/README.md b/actix-web-actors/README.md
index ff2a1af79..6a2e8f1a8 100644
--- a/actix-web-actors/README.md
+++ b/actix-web-actors/README.md
@@ -8,7 +8,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-web-actors?label=latest)](https://crates.io/crates/actix-web-actors)
 [![Documentation](https://docs.rs/actix-web-actors/badge.svg?version=4.3.1)](https://docs.rs/actix-web-actors/4.3.1)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![License](https://img.shields.io/crates/l/actix-web-actors.svg)
 <br />
 ![maintenance-status](https://img.shields.io/badge/maintenance-deprecated-red.svg)
diff --git a/actix-web-codegen/CHANGES.md b/actix-web-codegen/CHANGES.md
index 5b988d20a..6138892a1 100644
--- a/actix-web-codegen/CHANGES.md
+++ b/actix-web-codegen/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 4.3.0
 
diff --git a/actix-web-codegen/README.md b/actix-web-codegen/README.md
index 1c2462f00..52d522b0a 100644
--- a/actix-web-codegen/README.md
+++ b/actix-web-codegen/README.md
@@ -6,7 +6,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-web-codegen?label=latest)](https://crates.io/crates/actix-web-codegen)
 [![Documentation](https://docs.rs/actix-web-codegen/badge.svg?version=4.3.0)](https://docs.rs/actix-web-codegen/4.3.0)
-![Version](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![Version](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![License](https://img.shields.io/crates/l/actix-web-codegen.svg)
 <br />
 [![dependency status](https://deps.rs/crate/actix-web-codegen/4.3.0/status.svg)](https://deps.rs/crate/actix-web-codegen/4.3.0)
diff --git a/actix-web/CHANGES.md b/actix-web/CHANGES.md
index a9f417849..cf5971e9f 100644
--- a/actix-web/CHANGES.md
+++ b/actix-web/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 4.12.1
 
diff --git a/actix-web/README.md b/actix-web/README.md
index df48fbce8..2704399d4 100644
--- a/actix-web/README.md
+++ b/actix-web/README.md
@@ -9,7 +9,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/actix-web?label=latest)](https://crates.io/crates/actix-web)
 [![Documentation](https://docs.rs/actix-web/badge.svg?version=4.12.1)](https://docs.rs/actix-web/4.12.1)
-![MSRV](https://img.shields.io/badge/rustc-1.83+-ab6000.svg)
+![MSRV](https://img.shields.io/badge/rustc-1.88+-ab6000.svg)
 ![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-web.svg)
 [![Dependency Status](https://deps.rs/crate/actix-web/4.12.1/status.svg)](https://deps.rs/crate/actix-web/4.12.1)
 <br />
diff --git a/awc/CHANGES.md b/awc/CHANGES.md
index 22cf447f2..7d09212c2 100644
--- a/awc/CHANGES.md
+++ b/awc/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Minimum supported Rust version (MSRV) is now 1.83.
+- Minimum supported Rust version (MSRV) is now 1.88.
 
 ## 3.8.1