diff --git a/.clippy.toml b/.clippy.toml
index fc3ef79a3907..10cdfc53124a 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1 +1 @@
-msrv = "1.54.0"  # MSRV
+msrv = "1.55.0"  # MSRV
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bacec0041a43..f9662a16aec3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -78,7 +78,7 @@ jobs:
         build: [msrv, wasm, wasm-wasi, debug, release]
         include:
           - build: msrv
-            rust: 1.54.0  # MSRV
+            rust: 1.55.0  # MSRV
             target: x86_64-unknown-linux-gnu
             features: full
           - build: wasm
@@ -122,7 +122,7 @@ jobs:
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.54.0  # MSRV
+        toolchain: 1.55.0  # MSRV
         profile: minimal
         override: true
     - uses: Swatinem/rust-cache@v1
@@ -172,7 +172,7 @@ jobs:
     - name: Install Rust
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.54.0  # MSRV
+        toolchain: 1.55.0  # MSRV
         profile: minimal
         override: true
         components: clippy
diff --git a/.github/workflows/rust-next.yml b/.github/workflows/rust-next.yml
index 6910a7f0c816..d75b5fdd8703 100644
--- a/.github/workflows/rust-next.yml
+++ b/.github/workflows/rust-next.yml
@@ -92,9 +92,9 @@ jobs:
     strategy:
       matrix:
         rust:
-        - 1.54.0  # MSRV
+        - 1.55.0  # MSRV
         - stable
-    continue-on-error: ${{ matrix.rust != '1.54.0' }}  # MSRV
+    continue-on-error: ${{ matrix.rust != '1.55.0' }}  # MSRV
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
diff --git a/Makefile b/Makefile
index a8a1acc54f62..3f9908375759 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ ifneq (${TOOLCHAIN_TARGET},)
   ARGS+=--target ${TOOLCHAIN_TARGET}
 endif
 
-MSRV?=1.54.0
+MSRV?=1.55.0
 
 _FEATURES = minimal default wasm full debug release
 _FEATURES_minimal = --no-default-features --features "std"
diff --git a/README.md b/README.md
index ee6d9f3d8c6c..eb1262391e5e 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ OPTIONS:
   - Leverage feature flags to keep to one active branch
   - Being under [WG-CLI](https://github.com/rust-cli/team/) to increase the bus factor
 - We follow semver and will wait about 6-9 months between major breaking changes
-- We will support the last two minor Rust releases (MSRV, currently 1.54.0)
+- We will support the last two minor Rust releases (MSRV, currently 1.55.0)
 
 While these aspirations can be at odds with fast build times and low binary
 size, we will still strive to keep these reasonable for the flexibility you