diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7f7f992..afd667d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -90,7 +90,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        toolchain: [ nightly, beta, stable, 1.66.0 ]
+        toolchain: [ nightly, beta, stable, 1.69.0 ]
     steps:
       - uses: actions/checkout@v2
       - name: Install rust ${{ matrix.toolchain }}
diff --git a/Cargo.toml b/Cargo.toml
index f3d9e52..c0a4fcf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ default-members = [
 authors = ["Dr. Maxim Orlovsky <orlovsky@cyphernet.org>"]
 homepage = "https://cyphernet.org"
 repository = "https://github.com/Cyphernet-DAO/rust-cyphernet"
-rust-version = "1.66" # B/c of dependency
+rust-version = "1.69" # B/c of amplify dependency
 edition = "2021"
 license = "Apache-2.0"
 
diff --git a/MANIFEST.yml b/MANIFEST.yml
index aacf4dc..307d684 100644
--- a/MANIFEST.yml
+++ b/MANIFEST.yml
@@ -3,7 +3,7 @@ Type: Library
 Kind: Free software
 License: Apache-2.0
 Language: Rust
-Compiler: 1.66
+Compiler: 1.69
 Author: Maxim Orlovsky
 Maintained: Cyphernet DAO, Switzerland
 Maintainers: