diff --git a/.clippy.toml b/.clippy.toml
index 01ad219e..b34875bf 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1,4 +1,4 @@
-msrv = "1.53"
+msrv = "1.55"
 avoid-breaking-exported-api = false
 disallowed-types = [
     "std::collections::HashMap",
diff --git a/.github/workflows/msrv.yml b/.github/workflows/msrv.yml
index de087f07..61b8fe49 100644
--- a/.github/workflows/msrv.yml
+++ b/.github/workflows/msrv.yml
@@ -1,4 +1,4 @@
-name: Rust 1.53
+name: Rust 1.55
 
 on:
   push:
@@ -13,11 +13,11 @@ jobs:
     steps:
       - name: Checkout repo
         uses: actions/checkout@v2
-      - name: Install rust 1.53 toolchain
+      - name: Install rust 1.55 toolchain
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: '1.53'
+          toolchain: '1.55'
       # Used to compile xtask
       - name: Install rust stable toolchain
         uses: actions-rs/toolchain@v1
diff --git a/README.md b/README.md
index 14f00a70..fdc2eb28 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ See [CONTRIBUTING.md](CONTRIBUTING.md).
 
 ## Minimum Rust version
 
-Ruma currently requires Rust 1.53. In general, we will never require beta or
+Ruma currently requires Rust 1.55. In general, we will never require beta or
 nightly for crates.io releases of our crates, and we will try to avoid releasing
 crates that depend on features that were only just stabilized.
 
diff --git a/crates/ruma-state-res/.clippy.toml b/crates/ruma-state-res/.clippy.toml
index 2b37dd20..7f76424a 100644
--- a/crates/ruma-state-res/.clippy.toml
+++ b/crates/ruma-state-res/.clippy.toml
@@ -1,4 +1,4 @@
-msrv = "1.53"
+msrv = "1.55"
 avoid-breaking-exported-api = false
 disallowed-types = []
 enforced-import-renames = [ { path = "serde_json::Value", rename = "JsonValue" } ]
diff --git a/xtask/src/ci.rs b/xtask/src/ci.rs
index 1f390beb..c0ed36d7 100644
--- a/xtask/src/ci.rs
+++ b/xtask/src/ci.rs
@@ -4,7 +4,7 @@ use xshell::pushd;
 
 use crate::{cmd, Metadata, Result};
 
-const MSRV: &str = "1.53";
+const MSRV: &str = "1.55";
 
 /// Task to run CI tests.
 pub struct CiTask {