diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3d785c75786f9600ffefd1dd4a765a4fe59db6c7..e995536563b7505adb57431e84897a0fa134aa12 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,10 +27,10 @@ variables:
 
 ## Build jobs
 
-build-coq.8.12.0:
+build-coq.8.13.0:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.12.0"
+    OPAM_PINS: "coq version 8.13.0"
     DENY_WARNINGS: "1"
   tags:
   - fp-timing
diff --git a/README.md b/README.md
index cb119c2508f248054fe987035dfea98818a7cff9..f63c8c5c40962bb6675f6a4666821b84e37e3470 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ See the small ReLoC [docs/guide.md](docs/guide.md) and the Iris [ProofGuide.md](
 
 ## Building
 
-This project has been tested with Coq 8.12.0.
+This project has been tested with Coq 8.13.0.
 
 ### OPAM