diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f2335f8018a9d67f0c42a1bc1ee25167a518c07a..009b58c40ca69bc1f476b16ab799e57c25fb0fcf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 variables:
   TERM: linux
-  MINGW64_BOOST_VERSION: 1.85.0-2
+  MINGW64_BOOST_VERSION: 1.86.0-7
   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'