diff --git a/.mci.yml b/.mci.yml
index e9698d5a28..2a5f2c44ec 100644
--- a/.mci.yml
+++ b/.mci.yml
@@ -1254,7 +1254,7 @@ buildvariants:
           tar_options: *linux_tar_options
           cmake_flags: *linux_cmake_flags
           mongodb_version: *version_latest
-          mongoc_version: "master" # TODO: CXX-2220 update to 1.18.0 after release.
+          mongoc_version: "1.19.0"
       run_on:
           - ubuntu1804-build
       tasks:
diff --git a/src/mongocxx/CMakeLists.txt b/src/mongocxx/CMakeLists.txt
index 19405a359d..9d9a106f0a 100644
--- a/src/mongocxx/CMakeLists.txt
+++ b/src/mongocxx/CMakeLists.txt
@@ -29,7 +29,7 @@ message ("mongocxx version: ${MONGOCXX_VERSION}")
 set(MONGOCXX_INLINE_NAMESPACE "v${MONGOCXX_ABI_VERSION}")
 set(MONGOCXX_HEADER_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}/mongocxx/${MONGOCXX_INLINE_NAMESPACE}" CACHE INTERNAL "")
 
-set(LIBMONGOC_REQUIRED_VERSION 1.18.0)
+set(LIBMONGOC_REQUIRED_VERSION 1.19.0)
 set(LIBMONGOC_REQUIRED_ABI_VERSION 1.0)
 
 set(mongocxx_pkg_dep "")