diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d56992f..725931f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rust_version: ["1.73", "1.74", "1.75"]
+        rust_version: ["1.75", "1.76", "1.78"]
     steps:
       - name: rustup toolchain install ${{ matrix.rust_version }}
         run: |