diff --git a/ci/ciimage/ubuntu-rolling/install.sh b/ci/ciimage/ubuntu-rolling/install.sh
index 8c3233400..697ef060b 100755
--- a/ci/ciimage/ubuntu-rolling/install.sh
+++ b/ci/ciimage/ubuntu-rolling/install.sh
@@ -15,7 +15,7 @@ pkgs=(
   libomp-dev
   llvm lcov
   dub ldc
-  mingw-w64 mingw-w64-tools
+  mingw-w64 mingw-w64-tools libz-mingw-w64-dev
   libclang-dev
   libgcrypt20-dev
   libgpgme-dev