diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 195c891..de5813a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -76,7 +76,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        toolchain: [ nightly, beta, stable, 1.76.0 ]
+        toolchain: [ nightly, beta, stable, 1.77.0 ]
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@master
diff --git a/Cargo.toml b/Cargo.toml
index de25140..5f80930 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ repository = "https://github.com/aluvm/rust-aluvm"
 homepage = "https://aluvm.org"
 keywords = ["virtual-machine", "emulator", "functional", "risc", "edge-computing"]
 categories = ["no-std", "embedded", "compilers", "cryptography", "emulators"]
-rust-version = "1.76.0" # Due to ascii-armor
+rust-version = "1.77.0"
 edition = "2021"
 license = "Apache-2.0"
 readme = "README.md"
diff --git a/MANIFEST.yml b/MANIFEST.yml
index 34797ee..ff5db7b 100644
--- a/MANIFEST.yml
+++ b/MANIFEST.yml
@@ -3,7 +3,7 @@ Type: Library
 Kind: Free software
 License: Apache-2.0
 Language: Rust
-Compiler: 1.76
+Compiler: 1.78
 Author: Maxim Orlovsky
 Maintained: UBIDECO Labs, Institute for Deterministic and Cognitive Computing, Switzerland
 Maintainers: