diff --git a/.github/workflows/build-site.yml b/.github/workflows/build-site.yml
index 51bcd9c..d07b5c8 100644
--- a/.github/workflows/build-site.yml
+++ b/.github/workflows/build-site.yml
@@ -13,7 +13,9 @@ jobs:
       run: sudo apt-get update
     - name: install required packages
       run: sudo apt-get install cabal-install php php-curl minify yui-compressor
-    - name: install cabal
+    - name: update cabal
+      run: cabal update
+    - name: install pandoc
       run: cabal install pandoc-3.1.1 pandoc-cli --installdir=/tmp/bin
     - name: checkout code
       uses: actions/checkout@v2.3.1
@@ -39,7 +41,9 @@ jobs:
       run: sudo apt-get update
     - name: install required packages
       run: sudo apt-get install cabal-install minify php php-curl yui-compressor
-    - name: install cabal
+    - name: update cabal
+      run: cabal update
+    - name: install pandoc
       run: cabal install pandoc-3.1.1 pandoc-cli --installdir=/tmp/bin
     - name: checkout code
       uses: actions/checkout@v2.3.1