diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 845db72..d7b78d4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -167,7 +167,7 @@ jobs:
           sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
           sudo apt-get update -qq
           sudo apt-get install -yqq --allow-downgrades libgd3/jammy
-          sudo apt-get purge -yqq libmono* moby* mono* msbuild* php* libgdiplus libpcre2-posix3 nuget
+          sudo apt-get purge -yqq libmono* moby* mono* msbuild* php* libgdiplus libpcre2-posix3 libpq5 nuget
           dpkg -l
       - name: Set up dependencies (win32)
         if: ${{ matrix.target == 'win32' }}