diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b18cd22c43f6cc4cff6fe431a98514f4d92ba81f..1d4aefafa894e4120f902f19f58136475bc34509 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -67,26 +67,12 @@ build-coq.8.19.0-mr:
     DENY_WARNINGS: "1"
     MANGLE_NAMES: "1"
 
-build-coq.8.18.0:
-  <<: *template
-  variables:
-    OPAM_PINS: "coq version 8.18.0"
-    DENY_WARNINGS: "1"
-    MANGLE_NAMES: "1"
-
-build-coq.8.17.1:
-  <<: *template
-  variables:
-    OPAM_PINS: "coq version 8.17.1"
-    DENY_WARNINGS: "1"
-    MANGLE_NAMES: "1"
-
 # The oldest version runs in MRs, without name mangling.
-build-coq.8.16.1:
+build-coq.8.18.0:
   <<: *template
   <<: *branches_and_mr
   variables:
-    OPAM_PINS: "coq version 8.16.1"
+    OPAM_PINS: "coq version 8.18.0"
     DENY_WARNINGS: "1"
 
 trigger-stdpp.dev:
diff --git a/README.md b/README.md
index f204f4d92fd38a9e4d22b61a9683905ca98f2d41..df68a19cf1d5bad9c1b19be57a1a68551ed361bb 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Importing Iris has some side effects as the library sets some global options.
 
 This version is known to compile with:
 
- - Coq 8.16.1 / 8.17.1 / 8.18.0 / 8.19.0
+ - Coq 8.18.0 / 8.19.0
  - A development version of [std++](https://gitlab.mpi-sws.org/iris/stdpp)
 
 Generally we always aim to support the last two stable Coq releases. Support for
diff --git a/coq-iris.opam b/coq-iris.opam
index 65c11a33494c1661a6224e58628546d27cd79d51..5252231e8950248a21207484aa52b8888825312a 100644
--- a/coq-iris.opam
+++ b/coq-iris.opam
@@ -27,7 +27,7 @@ tags: [
 ]
 
 depends: [
-  "coq" { (>= "8.16" & < "8.20~") | (= "dev") }
+  "coq" { (>= "8.18" & < "8.20~") | (= "dev") }
   "coq-stdpp" { (= "dev.2024-02-02.1.a2456618") | (= "dev") }
 ]