diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6c8cdc8997ba6d4a66918ca150dabdbef1d6d2fa..293530a82e4ea3005adfbbed3004e91ba55263d4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,10 +27,10 @@ variables:
 
 ## Build jobs
 
-build-coq.8.15.0:
+build-coq.8.14.0:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.15.0"
+    OPAM_PINS: "coq version 8.14.0"
     OPAM_PKG: "1"
     DENY_WARNINGS: "1"
   tags:
@@ -39,7 +39,7 @@ build-coq.8.15.0:
 build-iris.dev:
   <<: *template
   variables:
-    OPAM_PINS: "coq version 8.15.dev   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV"
+    OPAM_PINS: "coq version 8.14.dev   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV"
   only:
   - triggers
   - schedules
diff --git a/README.md b/README.md
index d84f87cd40b08734284b7018a232610a18d1d57d..6d92f90ebc00a44e89cc7710390a898134db65db 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Functional Verification of Rust Programs with Unsafe Code".
 
 This version is known to compile with:
 
-- Coq 8.15.0
+- Coq 8.14.0
 - A development version of [Iris](https://gitlab.mpi-sws.org/iris/iris)
   (the version `dev.2022-04-12.0.a3bed7ea`)