diff --git a/codex-rs/memories/write/src/extensions/prune_tests.rs b/codex-rs/memories/write/src/extensions/prune_tests.rs
index ee70ba1afb..bdaf92d8ec 100644
--- a/codex-rs/memories/write/src/extensions/prune_tests.rs
+++ b/codex-rs/memories/write/src/extensions/prune_tests.rs
@@ -27,9 +27,9 @@ async fn prunes_only_old_resources_from_extensions_with_instructions() {
         .expect("parse now"),
         Utc,
     );
-    let old_file = chronicle_resources.join("2026-04-06T11-59-59-abcd-10min-old.md");
-    let exact_cutoff_file = chronicle_resources.join("2026-04-07T12-00-00-abcd-10min-cutoff.md");
-    let recent_file = chronicle_resources.join("2026-04-08T12-00-00-abcd-10min-recent.md");
+    let old_file = chronicle_resources.join("2026-03-30T11-59-59-abcd-10min-old.md");
+    let exact_cutoff_file = chronicle_resources.join("2026-03-31T12-00-00-abcd-10min-cutoff.md");
+    let recent_file = chronicle_resources.join("2026-04-01T12-00-00-abcd-10min-recent.md");
     let invalid_file = chronicle_resources.join("not-a-timestamp.md");
     for file in [&old_file, &exact_cutoff_file, &recent_file, &invalid_file] {
         tokio::fs::write(file, "resource")
@@ -41,7 +41,7 @@ async fn prunes_only_old_resources_from_extensions_with_instructions() {
     tokio::fs::create_dir_all(&ignored_resources)
         .await
         .expect("create ignored resources");
-    let ignored_old_file = ignored_resources.join("2026-04-06T11-59-59-abcd-10min-old.md");
+    let ignored_old_file = ignored_resources.join("2026-03-30T11-59-59-abcd-10min-old.md");
     tokio::fs::write(&ignored_old_file, "ignored")
         .await
         .expect("write ignored resource");
diff --git a/codex-rs/memories/write/src/lib.rs b/codex-rs/memories/write/src/lib.rs
index 2ea3384f2e..9430767672 100644
--- a/codex-rs/memories/write/src/lib.rs
+++ b/codex-rs/memories/write/src/lib.rs
@@ -42,7 +42,7 @@ mod artifacts {
 
 mod extension_resources {
     pub(super) const FILENAME_TS_FORMAT: &str = "%Y-%m-%dT%H-%M-%S";
-    pub(super) const RETENTION_DAYS: i64 = 7;
+    pub(super) const RETENTION_DAYS: i64 = 14;
 }
 
 mod guard_limits {
diff --git a/codex-rs/memories/write/src/startup_tests.rs b/codex-rs/memories/write/src/startup_tests.rs
index f80624ac62..0167dfc6a8 100644
--- a/codex-rs/memories/write/src/startup_tests.rs
+++ b/codex-rs/memories/write/src/startup_tests.rs
@@ -520,12 +520,12 @@ async fn memories_startup_phase2_prunes_old_extension_resources() -> anyhow::Res
     .await?;
     let old_file = chronicle_resources.join(format!(
         "{}-abcd-10min-old.md",
-        (now - chrono::Duration::days(8)).format("%Y-%m-%dT%H-%M-%S")
+        (now - chrono::Duration::days(15)).format("%Y-%m-%dT%H-%M-%S")
     ));
     tokio::fs::write(&old_file, "old resource").await?;
     let recent_file = chronicle_resources.join(format!(
         "{}-abcd-10min-recent.md",
-        (now - chrono::Duration::days(6)).format("%Y-%m-%dT%H-%M-%S")
+        (now - chrono::Duration::days(13)).format("%Y-%m-%dT%H-%M-%S")
     ));
     tokio::fs::write(&recent_file, "recent resource").await?;
     seed_required_memory_artifacts(&home.path().join("memories")).await?;
@@ -586,7 +586,7 @@ async fn memories_startup_phase2_prunes_old_extension_resources_without_stage1_i
     .await?;
     let old_file = chronicle_resources.join(format!(
         "{}-abcd-10min-old.md",
-        (now - chrono::Duration::days(8)).format("%Y-%m-%dT%H-%M-%S")
+        (now - chrono::Duration::days(15)).format("%Y-%m-%dT%H-%M-%S")
     ));
     tokio::fs::write(&old_file, "old resource").await?;
     seed_required_memory_artifacts(&home.path().join("memories")).await?;