diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 454540a14e6e..a01cec2190d4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -37,7 +37,7 @@ variables:
   # echo $(md5sum dev/ci/docker/old_ubuntu_lts/Dockerfile | head -c 10)
   # echo $(md5sum dev/ci/docker/edge_ubuntu/Dockerfile | head -c 10)
   BASE_CACHEKEY: "old_ubuntu_lts-V2023-06-30-8ca33f9dfd"
-  EDGE_CACHEKEY: "edge_ubuntu-V2023-06-30-f22617bedf"
+  EDGE_CACHEKEY: "edge_ubuntu-V2023-08-09-59f73e4e82"
   BASE_IMAGE: "$CI_REGISTRY_IMAGE:$BASE_CACHEKEY"
   EDGE_IMAGE: "$CI_REGISTRY_IMAGE:$EDGE_CACHEKEY"
 
diff --git a/dev/ci/docker/edge_ubuntu/Dockerfile b/dev/ci/docker/edge_ubuntu/Dockerfile
index 6f5e283f7307..d7db30791746 100644
--- a/dev/ci/docker/edge_ubuntu/Dockerfile
+++ b/dev/ci/docker/edge_ubuntu/Dockerfile
@@ -41,7 +41,7 @@ ENV COMPILER="4.14.1" \
     BASE_OPAM="zarith.1.11 ounit2.2.2.6" \
     CI_OPAM="ocamlgraph.2.0.0 cppo.1.6.9" \
     BASE_OPAM_EDGE="dune.3.6.1 dune-build-info.3.6.1 dune-release.1.6.2 ocamlfind.1.9.5 odoc.2.1.1" \
-    CI_OPAM_EDGE="elpi.1.16.5 ppx_import.1.10.0 cmdliner.1.1.1 sexplib.v0.15.1 ppx_sexp_conv.v0.15.1 ppx_hash.v0.15.0 ppx_compare.v0.15.0 ppx_deriving_yojson.3.7.0 yojson.1.7.0 uri.4.2.0 ppx_yojson_conv.v0.15.1 ppx_inline_test.v0.15.1 ppx_assert.v0.15.0" \
+    CI_OPAM_EDGE="elpi.1.16.5 ppx_import.1.10.0 cmdliner.1.1.1 sexplib.v0.15.1 ppx_sexp_conv.v0.15.1 ppx_hash.v0.15.0 ppx_compare.v0.15.0 ppx_deriving_yojson.3.7.0 yojson.1.7.0 uri.4.2.0 ppx_yojson_conv.v0.15.1 ppx_inline_test.v0.15.1 ppx_assert.v0.15.0 lsp.1.16.2" \
     COQIDE_OPAM_EDGE="lablgtk3-sourceview3.3.1.3"
 
 # EDGE+flambda switch, we install CI_OPAM as to be able to use