diff --git a/.clippy.toml b/.clippy.toml
index 16749ab..771c21e 100644
--- a/.clippy.toml
+++ b/.clippy.toml
@@ -1,4 +1,4 @@
-msrv = "1.64.0"  # MSRV
+msrv = "1.67.1"  # MSRV
 warn-on-all-wildcard-imports = true
 allow-expect-in-tests = true
 allow-unwrap-in-tests = true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 783247c..a1dee51 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
     - name: No-default features
       run: cargo test --workspace --no-default-features
   msrv:
-    name: "Check MSRV: 1.64.0"
+    name: "Check MSRV: 1.67.1"
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
@@ -57,7 +57,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
       with:
-        toolchain: 1.64.0  # MSRV
+        toolchain: 1.67.1  # MSRV
     - uses: Swatinem/rust-cache@v2
     - name: Default features
       run: cargo check --workspace --all-targets
@@ -107,7 +107,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
       with:
-        toolchain: 1.64.0  # MSRV
+        toolchain: 1.67.1  # MSRV
         components: clippy
     - uses: Swatinem/rust-cache@v2
     - name: Install SARIF tools
diff --git a/crates/clap/Cargo.toml b/crates/clap/Cargo.toml
index 2e44f6e..1c82f2e 100644
--- a/crates/clap/Cargo.toml
+++ b/crates/clap/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/rust-cli/concolor"
 categories = ["command-line-interface"]
 keywords = ["cli", "color", "no-std", "terminal", "ansi"]
 edition = "2021"
-rust-version = "1.64.0"  # MSRV
+rust-version = "1.67.1"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/concolor/Cargo.toml b/crates/concolor/Cargo.toml
index 572b7fe..4798530 100644
--- a/crates/concolor/Cargo.toml
+++ b/crates/concolor/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/rust-cli/concolor"
 categories = ["command-line-interface"]
 keywords = ["cli", "color", "no-std", "terminal", "ansi"]
 edition = "2021"
-rust-version = "1.64.0"  # MSRV
+rust-version = "1.67.1"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/example/Cargo.toml b/crates/example/Cargo.toml
index 90706a7..dd9dbdd 100644
--- a/crates/example/Cargo.toml
+++ b/crates/example/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/rust-cli/concolor"
 categories = ["command-line-interface"]
 keywords = ["cli", "color", "no-std", "terminal", "ansi"]
 edition = "2021"
-rust-version = "1.64.0"  # MSRV
+rust-version = "1.67.1"  # MSRV
 publish = false
 
 [dependencies]
diff --git a/crates/override/Cargo.toml b/crates/override/Cargo.toml
index 46e58a1..dfdac64 100644
--- a/crates/override/Cargo.toml
+++ b/crates/override/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/rust-cli/concolor"
 categories = ["command-line-interface"]
 keywords = ["cli", "color", "no-std", "terminal", "ansi"]
 edition = "2021"
-rust-version = "1.64.0"  # MSRV
+rust-version = "1.67.1"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",
diff --git a/crates/query/Cargo.toml b/crates/query/Cargo.toml
index b7a7daa..294806b 100644
--- a/crates/query/Cargo.toml
+++ b/crates/query/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/rust-cli/concolor"
 categories = ["command-line-interface"]
 keywords = ["cli", "color", "no-std", "terminal", "ansi"]
 edition = "2021"
-rust-version = "1.64.0"  # MSRV
+rust-version = "1.67.1"  # MSRV
 include = [
   "src/**/*",
   "Cargo.toml",