diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index e552aec3..046ea526 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -61,7 +61,9 @@ jobs:
             ${{ runner.os }}-mix-
 
       - name: Install system dependencies
-        run: sudo apt-get install -y --no-install-recommends libsnmp-dev snmp-mibs-downloader postgresql-client
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends libsnmp-dev snmp-mibs-downloader postgresql-client
 
       - name: Install Elixir dependencies
         run: mix deps.get --only test