diff --git a/.ci/apt-install-postgres b/.ci/apt-install-postgres
index 9777a0a..c996740 100755
--- a/.ci/apt-install-postgres
+++ b/.ci/apt-install-postgres
@@ -24,4 +24,8 @@ chmod +x /usr/local/bin/apt.postgresql.org.sh
 apt.postgresql.org.sh -i -v "$PGVERSION"
 chmod a+rwx "$(pg_config --pkglibdir)" "$(pg_config --sharedir)/extension"
 
-pg_createcluster --start "$PGVERSION" test -p "${PGPORT:-5432}" -- -A trust
+pg_createcluster --start "$PGVERSION" test -p "${PGPORT:-5432}" -- -A trust || true
+
+systemctl status "postgresql@$PGVERSION-test.service"
+
+journalctl -xeu "postgresql@$PGVERSION-test.service"
diff --git a/.github/workflows/lint-and-test.yml b/.github/workflows/lint-and-test.yml
index 7c4eead..e00d17f 100644
--- a/.github/workflows/lint-and-test.yml
+++ b/.github/workflows/lint-and-test.yml
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        pg: [11, 12, 13, 14, 15, 16]
+        pg: [16]
         os: [[🐧, Ubuntu]] # [🍎, macOS], [🪟, Windows]]
     name: 🐘 Postgres ${{ matrix.pg }} on ${{ matrix.os[0] }} ${{ matrix.os[1] }}
     steps: