diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f3d405af1a3e9b7c9974e87955f71c0cf50b63df..4f59879efed3d959a7c6f82895d98c7070ec9f08 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,10 +28,10 @@ variables:
 
 ## Build jobs
 
-build-coq.8.13.2:
+build-coq.8.15.1:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.13.2"
+    OPAM_PINS: "coq version 8.15.1"
     DENY_WARNINGS: "1"
   tags:
   - fp-timing
@@ -43,7 +43,7 @@ trigger-iris.dev:
     IRIS_REPO: "iris/iris"
     ORC11_REPO: "iris/orc11"
     GPFSL_REPO: "iris/gpfsl"
-    OPAM_PINS: "coq version 8.14.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
diff --git a/README.md b/README.md
index d5dfa6cb3d54bda00d593eae79c12205bf16ae65..885b5a68c3d25192dee94c2380ef98fab3a212f4 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 8.13.2
+ - Coq 8.15.1
  - A development version of [GPFSL].
 
 ## Building from source