diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 70518860e..369a2d5ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
           sudo dpkg --add-architecture i386
           sudo apt update
           sudo apt install -y gcc-multilib libssl-dev:i386 pkg-config:i386
-      - uses: dtolnay/rust-toolchain@1.87.0
+      - uses: dtolnay/rust-toolchain@1.88.0
         with:
           targets: ${{ matrix.bits == 32 && 'i686-unknown-linux-gnu' || '' }}
       - uses: Swatinem/rust-cache@v2
@@ -73,7 +73,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.87.0
+      - uses: dtolnay/rust-toolchain@1.88.0
         with:
           components: clippy, rustfmt
       - uses: Swatinem/rust-cache@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ca317abd0..566fc5808 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -44,7 +44,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - uses: dtolnay/rust-toolchain@1.87.0
+    - uses: dtolnay/rust-toolchain@1.88.0
       with:
         target: ${{ matrix.target }}
 
diff --git a/flake.lock b/flake.lock
index dedfbb4e0..df8b752ba 100644
--- a/flake.lock
+++ b/flake.lock
@@ -112,13 +112,13 @@
     "rust-manifest": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-BwfxWd/E8gpnXoKsucFXhMbevMlVgw3l0becLkIcWCU=",
+        "narHash": "sha256-YZfjbpqCYQFG1qLl2zMyFq2nFwmB2aFo5DSOCaBtGLY=",
         "type": "file",
-        "url": "https://static.rust-lang.org/dist/channel-rust-1.87.0.toml"
+        "url": "https://static.rust-lang.org/dist/channel-rust-1.88.0.toml"
       },
       "original": {
         "type": "file",
-        "url": "https://static.rust-lang.org/dist/channel-rust-1.87.0.toml"
+        "url": "https://static.rust-lang.org/dist/channel-rust-1.88.0.toml"
       }
     },
     "systems": {
diff --git a/flake.nix b/flake.nix
index cc5f96273..5afb5a846 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     rust-manifest = {
-      url = "https://static.rust-lang.org/dist/channel-rust-1.87.0.toml";
+      url = "https://static.rust-lang.org/dist/channel-rust-1.88.0.toml";
       flake = false;
     };
   };