diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5c0edde34..ec6c8478e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,15 +33,15 @@ jobs:
       matrix:
         target:
           - { os: ubuntu-latest, toolchain: stable, triple: x86_64-unknown-linux-gnu }
-          - { os: ubuntu-latest, toolchain: 1.76, triple: x86_64-unknown-linux-gnu }
+          - { os: ubuntu-latest, toolchain: 1.80.0, triple: x86_64-unknown-linux-gnu }
           - { os: ubuntu-latest, toolchain: beta, triple: x86_64-unknown-linux-gnu }
           - { os: ubuntu-latest, toolchain: nightly, triple: x86_64-unknown-linux-gnu }
           - { os: macos-latest, toolchain: stable, triple: x86_64-apple-darwin }
-          - { os: macos-latest, toolchain: 1.76, triple: x86_64-apple-darwin }
+          - { os: macos-latest, toolchain: 1.80.0, triple: x86_64-apple-darwin }
           - { os: windows-latest, toolchain: stable, triple: x86_64-pc-windows-gnu }
-          - { os: windows-latest, toolchain: 1.76, triple: x86_64-pc-windows-gnu }
+          - { os: windows-latest, toolchain: 1.80.0, triple: x86_64-pc-windows-gnu }
           - { os: windows-latest, toolchain: stable, triple: i686-pc-windows-msvc }
-          - { os: windows-latest, toolchain: 1.76, triple: i686-pc-windows-msvc }
+          - { os: windows-latest, toolchain: 1.80.0, triple: i686-pc-windows-msvc }
     runs-on: ${{ matrix.target.os }}
     steps:
       - uses: actions/checkout@v4
diff --git a/Cargo.toml b/Cargo.toml
index 0e5b12219..0ee873f13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ license = "EUPL-1.2"
 readme = "./README.md"
 keywords = ["PICA+", "code4lib"]
 edition = "2021"
-rust-version = "1.76"
+rust-version = "1.80"
 
 [workspace.dependencies]
 pica-format = { version = "0.1", path = "./crates/pica-format" }