diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f54115b6bce4c3f2ae4afefe8ac8967f36a26e28..887533856772dc9fb280738bb6ff528ab376e632 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,24 +32,24 @@ build-coq.dev:
     OCAML: "ocaml-base-compiler.4.07.0"
     OPAM_PINS: "coq version dev"
 
-build-coq.8.8.2:
+build-coq.8.9.0:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.8.2"
+    OPAM_PINS: "coq version 8.9.0"
     OPAM_PKG: "coq-lambda-rust"
-    TIMING_CONF: "coq-8.8.2"
+    TIMING_CONF: "coq-8.9.0"
   tags:
   - fp-timing
 
-build-coq.8.7.2:
+build-coq.8.8.2:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.7.2"
+    OPAM_PINS: "coq version 8.8.2"
 
 build-iris.dev:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.8.2   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"
+    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"
   except:
   only:
   - triggers
diff --git a/README.md b/README.md
index 42c571aae656f8291e1fa1229e164f26d0908508..fda7d3d60db956cdebcd978da4a7560a6a4b391b 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This is the Coq development accompanying RBrlx.
 
 This version is known to compile with:
 
- - Coq 8.7.2 / 8.8.2
+ - Coq 8.8.2 / 8.9.0
  - A development version of [GPFSL].
 
 The easiest way to install the correct versions of the dependencies is through