diff --git a/.gitlab/ci/pipelines/before_merging.yml b/.gitlab/ci/pipelines/before_merging.yml
index a01cd0cd231f3f347709707d9d1211065fe92ddc..2c4eb8ef2a220869212588aeec6974ed35f9618c 100644
--- a/.gitlab/ci/pipelines/before_merging.yml
+++ b/.gitlab/ci/pipelines/before_merging.yml
@@ -4004,7 +4004,7 @@ documentation:odoc:
     SCCACHE_DIR: $CI_PROJECT_DIR/_sccache
     SCCACHE_CACHE_SIZE: 5G
   artifacts:
-    expire_in: 1 hour
+    expire_in: 4 hours
     paths:
     - docs/_build/api/odoc/
     - docs/odoc.log
diff --git a/.gitlab/ci/pipelines/merge_train.yml b/.gitlab/ci/pipelines/merge_train.yml
index f0939aecabf256181853512b65c8b2521799999a..430684a3d2b5a851e3733d697b72fd8fc2ea8397 100644
--- a/.gitlab/ci/pipelines/merge_train.yml
+++ b/.gitlab/ci/pipelines/merge_train.yml
@@ -4003,7 +4003,7 @@ documentation:odoc:
     SCCACHE_DIR: $CI_PROJECT_DIR/_sccache
     SCCACHE_CACHE_SIZE: 5G
   artifacts:
-    expire_in: 1 hour
+    expire_in: 4 hours
     paths:
     - docs/_build/api/odoc/
     - docs/odoc.log
diff --git a/.gitlab/ci/pipelines/schedule_documentation.yml b/.gitlab/ci/pipelines/schedule_documentation.yml
index c8ba514d06d294a9039fb1546a4ea71ef8c44256..97f4114ba5996b01d429255c0bdaefee66301a76 100644
--- a/.gitlab/ci/pipelines/schedule_documentation.yml
+++ b/.gitlab/ci/pipelines/schedule_documentation.yml
@@ -133,7 +133,7 @@ documentation:odoc:
     SCCACHE_DIR: $CI_PROJECT_DIR/_sccache
     SCCACHE_CACHE_SIZE: 5G
   artifacts:
-    expire_in: 1 hour
+    expire_in: 4 hours
     paths:
     - docs/_build/api/odoc/
     - docs/odoc.log
diff --git a/.gitlab/ci/pipelines/schedule_extended_test.yml b/.gitlab/ci/pipelines/schedule_extended_test.yml
index 3363be2668b26d2bb582068735594069d822d0f5..fa968236bf5b5f09c1f48c89a9238c4c7c714986 100644
--- a/.gitlab/ci/pipelines/schedule_extended_test.yml
+++ b/.gitlab/ci/pipelines/schedule_extended_test.yml
@@ -3571,7 +3571,7 @@ documentation:odoc:
     SCCACHE_DIR: $CI_PROJECT_DIR/_sccache
     SCCACHE_CACHE_SIZE: 5G
   artifacts:
-    expire_in: 1 hour
+    expire_in: 4 hours
     paths:
     - docs/_build/api/odoc/
     - docs/odoc.log
diff --git a/ci/bin/common.ml b/ci/bin/common.ml
index 3ae44388297be56f65ee6c8958798145181c3a45..761c25ae654544d51dd16ff1d441055f85a3c6e1 100644
--- a/ci/bin/common.ml
+++ b/ci/bin/common.ml
@@ -1225,7 +1225,7 @@ module Documentation = struct
       ~artifacts:
         (artifacts
            ~when_:Always
-           ~expire_in:(Duration (Hours 1))
+           ~expire_in:(Duration (Hours 4))
            (* Path must be terminated with / to expose artifact (gitlab-org/gitlab#/36706) *)
            ["docs/_build/api/odoc/"; "docs/odoc.log"])
       [