apt update

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dec963e9ae0b00a1a797635f8fcc3a96e2b75232..832ce867bbde884335a1be7192f2a6443f40d762 100644 (file)
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -76,6 +76,7 @@ jobs:
         cd wren
         make
         cd ..
+        sudo apt-get update
         sudo apt-get install gnuplot lua5.3
         ln -s $(which lua5.3) lua
         export PATH=./wren:$PATH