diff --git a/Cargo.lock b/Cargo.lock
index 091b1b8dede..252429064af 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2654,7 +2654,7 @@ checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
 
 [[package]]
 name = "libp2p"
-version = "0.54.2"
+version = "0.55.0"
 dependencies = [
  "async-std",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index b8186584487..bd793d4f2c1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,10 +70,10 @@ members = [
 resolver = "2"
 
 [workspace.package]
-rust-version = "1.75.0"
+rust-version = "1.83.0"
 
 [workspace.dependencies]
-libp2p = { version = "0.54.2", path = "libp2p" }
+libp2p = { version = "0.55.0", path = "libp2p" }
 libp2p-allow-block-list = { version = "0.4.1", path = "misc/allow-block-list" }
 libp2p-autonat = { version = "0.13.1", path = "protocols/autonat" }
 libp2p-connection-limits = { version = "0.4.1", path = "misc/connection-limits" }
diff --git a/examples/autonatv2/Dockerfile b/examples/autonatv2/Dockerfile
index 6bc92e4d11b..083f9f5c113 100644
--- a/examples/autonatv2/Dockerfile
+++ b/examples/autonatv2/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.81-alpine as builder
+FROM rust:1.83-alpine as builder
 
 RUN apk add musl-dev
 
diff --git a/hole-punching-tests/Dockerfile b/hole-punching-tests/Dockerfile
index 403cc301fc6..30c8e0a6414 100644
--- a/hole-punching-tests/Dockerfile
+++ b/hole-punching-tests/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM rust:1.81.0 as builder
+FROM rust:1.83.0 as builder
 
 # Run with access to the target cache to speed up builds
 WORKDIR /workspace
diff --git a/interop-tests/Dockerfile.chromium b/interop-tests/Dockerfile.chromium
index 86edbc5b9d2..4ccb142b4a3 100644
--- a/interop-tests/Dockerfile.chromium
+++ b/interop-tests/Dockerfile.chromium
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM rust:1.81 as chef
+FROM rust:1.83 as chef
 RUN rustup target add wasm32-unknown-unknown
 RUN wget -q -O- https://github.com/rustwasm/wasm-pack/releases/download/v0.12.1/wasm-pack-v0.12.1-x86_64-unknown-linux-musl.tar.gz | tar -zx -C /usr/local/bin --strip-components 1 --wildcards "wasm-pack-*/wasm-pack"
 RUN wget -q -O- https://github.com/WebAssembly/binaryen/releases/download/version_115/binaryen-version_115-x86_64-linux.tar.gz | tar -zx -C /usr/local/bin --strip-components 2 --wildcards "binaryen-version_*/bin/wasm-opt"
diff --git a/interop-tests/Dockerfile.native b/interop-tests/Dockerfile.native
index 499c73437fc..f0b078d9492 100644
--- a/interop-tests/Dockerfile.native
+++ b/interop-tests/Dockerfile.native
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM lukemathwalker/cargo-chef:0.1.67-rust-bullseye as chef
+FROM lukemathwalker/cargo-chef:0.1.68-rust-bullseye as chef
 WORKDIR /app
 
 FROM chef AS planner
@@ -15,7 +15,7 @@ COPY . .
 RUN RUSTFLAGS='-C target-feature=+crt-static' cargo build --release --package interop-tests --target $(rustc -vV | grep host | awk '{print $2}') --bin native_ping
 RUN cp /app/target/$(rustc -vV | grep host | awk '{print $2}')/release/native_ping /usr/local/bin/testplan
 
-FROM scratch
+FROM debian:bullseye
 COPY --from=builder /usr/local/bin/testplan /usr/local/bin/testplan
 ENV RUST_BACKTRACE=1
 ENTRYPOINT ["testplan"]
diff --git a/libp2p/CHANGELOG.md b/libp2p/CHANGELOG.md
index 8b7bf0ff55f..9e7194e2a69 100644
--- a/libp2p/CHANGELOG.md
+++ b/libp2p/CHANGELOG.md
@@ -1,4 +1,7 @@
-## 0.54.2
+## 0.55.0
+
+- Raise MSRV to 1.83.0.
+  See [PR 5650](https://github.com/libp2p/rust-libp2p/pull/5650).
 
 - Add `with_connection_timeout` on `SwarmBuilder` to allow configuration of the connection_timeout parameter.
   See [PR 5575](https://github.com/libp2p/rust-libp2p/pull/5575).
diff --git a/libp2p/Cargo.toml b/libp2p/Cargo.toml
index ae23dcf0db5..39d01a5c5c7 100644
--- a/libp2p/Cargo.toml
+++ b/libp2p/Cargo.toml
@@ -3,7 +3,7 @@ name = "libp2p"
 edition = "2021"
 rust-version = { workspace = true }
 description = "Peer-to-peer networking library"
-version = "0.54.2"
+version = "0.55.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"
diff --git a/misc/server/Dockerfile b/misc/server/Dockerfile
index 12a8982eb3f..8b5aac2ae82 100644
--- a/misc/server/Dockerfile
+++ b/misc/server/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM rust:1.81.0 as chef
+FROM rust:1.83.0 as chef
 RUN wget -q -O- https://github.com/LukeMathWalker/cargo-chef/releases/download/v0.1.62/cargo-chef-x86_64-unknown-linux-gnu.tar.gz | tar -zx -C /usr/local/bin
 WORKDIR /app
 
diff --git a/protocols/perf/Dockerfile b/protocols/perf/Dockerfile
index f68ea6ef211..bb3124df02f 100644
--- a/protocols/perf/Dockerfile
+++ b/protocols/perf/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.5-labs
-FROM rust:1.81.0 as builder
+FROM rust:1.83.0 as builder
 
 # Run with access to the target cache to speed up builds
 WORKDIR /workspace