diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d5ac658..30a194a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,8 +24,8 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
-    - name: cpan -i DateTime
-      run: sudo apt-get install libdatetime-perl
+    - name: get DateTime
+      run: sudo cpan -i DateTime
 
     - name: build 
       run: make clean;make alt; make clean; make