diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6d9d3f127f1174897a60dea06431bb721d7522f3..ea91a7ef4d00e329f97d2e9666c12ef111c12dd9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 variables:
   TERM: linux
-  MINGW64_BOOST_VERSION: 1.84.0-1
+  MINGW64_BOOST_VERSION: 1.85.0-2
   WGET_OPTIONS: '--no-verbose --no-use-server-timestamps --retry-connrefused --retry-on-host-error'
   # To ensure that "false && true" fails, see https://gitlab.com/gitlab-org/gitlab-runner/-/issues/25394#note_412609647
   FF_ENABLE_BASH_EXIT_CODE_CHECK: 'true'