diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eb7f7284f22abf959b612934492f54578f9acbb3..eefee7d000b8385e2b4c2837d9342e8b05bee8a8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,12 +33,14 @@ build-coq.dev:
     OPAM_PINS: "coq version dev"
     VALIDATE: "1"
 
-build-coq.8.9.dev:
+build-coq.8.9.0:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.9.dev"
+    OPAM_PINS: "coq version 8.9.0"
+    OPAM_PKG: "coq-iris"
+    DOC_DIR: "coqdoc@center.mpi-sws.org:iris"
     TIMING_PROJECT: "iris"
-    TIMING_CONF: "coq-8.9.dev"
+    TIMING_CONF: "coq-8.9.0"
   tags:
   - fp-timing
 
@@ -56,8 +58,6 @@ build-coq.8.8.0:
   <<: *template
   variables:
     OPAM_PINS: "coq version 8.8.0"
-    OPAM_PKG: "coq-iris"
-    DOC_DIR: "coqdoc@center.mpi-sws.org:iris"
     TIMING_PROJECT: "iris"
     TIMING_CONF: "coq-8.8.0"
   tags:
diff --git a/README.md b/README.md
index dce334c7f2b253a0ff97c3d8b9bfb84fbd3b89d6..4ba0da9ddb646eae32d58478b9830a3d645a25b6 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ definitions and some derived forms is available in
 
 This version is known to compile with:
 
- - Coq 8.7.1 / 8.7.2 / 8.8.0 / 8.8.1 / 8.8.2
+ - Coq 8.7.1 / 8.7.2 / 8.8.0 / 8.8.1 / 8.8.2 / 8.9.0
  - A development version of [std++](https://gitlab.mpi-sws.org/iris/stdpp)
 
 For a version compatible with Coq 8.6, have a look at the