diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1ab42062a822b1d7a17a826e32b343793ad63f04..7b546afad49dca167f545ad32ab4dd43bebc4c67 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -43,7 +43,7 @@ trigger-iris.dev:
     IRIS_REPO: "iris/iris"
     ORC11_REPO: "iris/orc11"
     GPFSL_REPO: "iris/gpfsl"
-    OPAM_PINS: "coq version 8.13.dev   git+https://gitlab.mpi-sws.org/$STDPP_REPO#$STDPP_REV   git+https://gitlab.mpi-sws.org/$IRIS_REPO#$IRIS_REV   git+https://gitlab.mpi-sws.org/$ORC11_REPO#$ORC11_REV   git+https://gitlab.mpi-sws.org/$GPFSL_REPO#$GPFSL_REV"
+    OPAM_PINS: "coq version 8.15.dev   git+https://gitlab.mpi-sws.org/$STDPP_REPO#$STDPP_REV   git+https://gitlab.mpi-sws.org/$IRIS_REPO#$IRIS_REV   git+https://gitlab.mpi-sws.org/$ORC11_REPO#$ORC11_REV   git+https://gitlab.mpi-sws.org/$GPFSL_REPO#$GPFSL_REV"
   except:
   only:
   - triggers