diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2d7e19c922b0aa67c4d363a489fb57e783b1c507..2cfd4b7c384d7d4e40db81d86c593f50543f6b84 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,10 +28,10 @@ variables:
 
 ## Build jobs
 
-build-coq.8.17.0:
+build-coq.8.18.0:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.17.0"
+    OPAM_PINS: "coq version 8.18.0"
     DENY_WARNINGS: "1"
   tags:
   - fp-timing
diff --git a/README.md b/README.md
index 88b3518b71204f1a962383a46d7e9e4f497e8732..faac6e172d7cac442b99d8c51d4e53522d5169b7 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 8.17.0.
+This project has been tested with Coq 8.18.0.
 
 ### OPAM