diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f5e1a6c5..768742b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Install Rust stable
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.63.0
+        toolchain: 1.69.0
         override: true
         components: rustfmt, clippy
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/rustdoc.yml b/.github/workflows/rustdoc.yml
index 0fb623e4..fba34dba 100644
--- a/.github/workflows/rustdoc.yml
+++ b/.github/workflows/rustdoc.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Install Rust stable
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.63.0
+        toolchain: 1.69.0
         override: true
         components: rustfmt, clippy
     - name: Set up Python ${{ matrix.python-version }}