diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c0a4a8a71f4554018e2bc97ebbbdc7ebbc3d8d5a..99c53e09d036eec200d78a203f05908449db2502 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,7 +22,7 @@
     # - OCAML_COMPILER: "4.10.0"
 
 variables:
-  OCAML_COMPILER: "4.11.1"
+  OCAML_COMPILER: "4.14.1"
   CLEAN_OPAM_CACHE: "false"
   CLEAN_DUNE_CACHE: "false"
   # If CLEAN_OPAM_CACHE is set to "true", the opam switch from previous CI jobs