diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 8850baf..4913846 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -9,5 +9,5 @@ jobs:
           submodules: recursive
       - uses: actions-rs/toolchain@v1.0.3
         with:
-          toolchain: 1.49.0
+          toolchain: 1.77.2
       - run: cargo build
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 8e15b9b..97ea6f4 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -9,5 +9,5 @@ jobs:
           submodules: recursive
       - uses: actions-rs/toolchain@v1.0.3
         with:
-          toolchain: 1.49.0
+          toolchain: 1.77.2
       - run: cargo fmt -- --check
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 7cfa979..c43806f 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -13,5 +13,5 @@ jobs:
           submodules: recursive
       - uses: actions-rs/toolchain@v1.0.3
         with:
-          toolchain: 1.49.0
+          toolchain: 1.77.2
       - run: cargo publish --token ${{ secrets.CRATES_IO_ACCESS_KEY }}