diff --git a/Cargo.lock b/Cargo.lock
index a520f1f6a..0d151fa90 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -876,9 +876,9 @@ checksum = "a6ef517f0926dd24a1582492c791b6a4818a4d94e789a334894aa15b0d12f55c"
 
 [[package]]
 name = "const-str"
-version = "0.5.7"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3618cccc083bb987a415d85c02ca6c9994ea5b44731ec28b9ecf09658655fba9"
+checksum = "18f12cc9948ed9604230cdddc7c86e270f9401ccbe3c2e98a4378c5e7632212f"
 
 [[package]]
 name = "convert_case"
diff --git a/actix-web/Cargo.toml b/actix-web/Cargo.toml
index bf788a89d..f6e05d325 100644
--- a/actix-web/Cargo.toml
+++ b/actix-web/Cargo.toml
@@ -174,7 +174,7 @@ actix-test = { version = "0.1", features = ["openssl", "rustls-0_23"] }
 awc = { version = "3", features = ["openssl"] }
 
 brotli = "8"
-const-str = "0.5" # TODO(MSRV 1.77): update to 0.6
+const-str = "1.1"
 core_affinity = "0.8"
 criterion = { version = "0.5", features = ["html_reports"] }
 env_logger = "0.11"
diff --git a/awc/Cargo.toml b/awc/Cargo.toml
index 3fb11b584..66bf24d9c 100644
--- a/awc/Cargo.toml
+++ b/awc/Cargo.toml
@@ -143,7 +143,7 @@ actix-utils = "3"
 actix-web = { version = "4.13", features = ["openssl"] }
 
 brotli = "8"
-const-str = "0.5" # TODO(MSRV 1.77): update to 0.6
+const-str = "1.1"
 env_logger = "0.11"
 flate2 = "1.0.13"
 futures-util = { version = "0.3.17", default-features = false }