diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eefc66ace2ba2e15e2e3d4f4347d10246533e127..74782b10333668285a330ee92c17df20929cc7a0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -67,24 +67,10 @@ 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"
diff --git a/README.md b/README.md
index 4b4274008d59d2f854964500ecc73c893691ce18..dff66490b4e43fb40452916d3606b988351dba93 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ Notably:
 
 This version is known to compile with:
 
- - Coq version 8.16.1 / 8.17.1 / 8.18.0 / 8.19.0
+ - Coq version 8.18.0 / 8.19.0
 
 Generally we always aim to support the last two stable Coq releases. Support for
 older versions will be dropped when it is convenient.
diff --git a/coq-stdpp.opam b/coq-stdpp.opam
index 5b2f03931b8ca156310417c2f9f6b99223b76cde..c137a1946cd6cff3286157a9b6ce43db2c46888b 100644
--- a/coq-stdpp.opam
+++ b/coq-stdpp.opam
@@ -33,7 +33,7 @@ tags: [
 ]
 
 depends: [
-  "coq" { (>= "8.16" & < "8.20~") | (= "dev") }
+  "coq" { (>= "8.18" & < "8.20~") | (= "dev") }
 ]
 
 build: ["./make-package" "stdpp" "-j%{jobs}%"]