diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 47c90d6ed13bf6351a1c8167cb35448cf078691a..43a05b6180019cf91453b10a2e2ff22748cb3167 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -50,7 +50,8 @@ build-coq.8.8.2:
 build-iris.dev:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.9.0   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV   coq-iris.dev git git+https://gitlab.mpi-sws.org/iris/iris.git#$IRIS_REV   coq-orc11.dev git git+https://gitlab.mpi-sws.org/iris/orc11.git#$ORC11_REV   coq-gpfsl.dev git git+https://gitlab.mpi-sws.org/iris/gpfsl.git#$GPFSL_REV"
+    OCAML: "ocaml-base-compiler.4.07.0"
+    OPAM_PINS: "coq version dev   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV   coq-iris.dev git git+https://gitlab.mpi-sws.org/iris/iris.git#$IRIS_REV   coq-orc11.dev git git+https://gitlab.mpi-sws.org/iris/orc11.git#$ORC11_REV   coq-gpfsl.dev git git+https://gitlab.mpi-sws.org/iris/gpfsl.git#$GPFSL_REV"
   except:
   only:
   - triggers