diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 40fcae06..533ae586 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -127,7 +127,8 @@ jobs:
       run: |
         sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
         sudo apt-get update -qq
-        sudo apt-get install -yqq --allow-downgrades libpcre2-8-0/focal libpcre2-16-0/focal libpcre2-32-0/focal libpcre2-posix2/focal
+        sudo apt-get install -yqq --allow-downgrades libgd3/focal libpcre2-8-0/focal libpcre2-16-0/focal libpcre2-32-0/focal libpcre2-posix2/focal
+        sudo apt-get purge -yqq libmono* moby* mono* php* libgdiplus libpcre2-posix3 libzip4
     - name: Set up dependencies
       run: |
         sudo dpkg --add-architecture i386
@@ -207,7 +208,8 @@ jobs:
       run: |
         sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
         sudo apt-get update -qq
-        sudo apt-get install -yqq --allow-downgrades libpcre2-8-0/focal libpcre2-16-0/focal libpcre2-32-0/focal libpcre2-posix2/focal
+        sudo apt-get install -yqq --allow-downgrades libgd3/focal libpcre2-8-0/focal libpcre2-16-0/focal libpcre2-32-0/focal libpcre2-posix2/focal
+        sudo apt-get purge -yqq libmono* moby* mono* php* libgdiplus libpcre2-posix3 libzip4
     - name: Set up dependencies
       run: |
         sudo dpkg --add-architecture i386