diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bc9774b..bba55663 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
-### next
-- You can now define preview transformers to be applied before preview. They allow for example previewing PDF or Office files, or beautifying JSON files. Edit the `preview_transformers` entry in your conf.hjson file (see https://github.com/Canop/broot/blob/main/resources/default-conf/conf.hjson)
+### v1.40.0 - 2024-07-16
+<a name="v1.40.0"></a>
+#### Major Feature: preview transformers
+You can now define preview transformers to be applied before preview.
+They allow for example previewing PDF or Office files, or beautifying JSON files.
+Edit the `preview_transformers` array in your conf.hjson file.
+See https://dystroy.org/broot/conf_file/#preview
+#### Fixes
 - fix search on root - Fix #904
 - fix some verb cycling problems - Fix #902
 
diff --git a/Cargo.lock b/Cargo.lock
index c256f611..07304679 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -210,7 +210,7 @@ checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
 [[package]]
 name = "broot"
-version = "1.39.3-dev"
+version = "1.40.0"
 dependencies = [
  "ansi_colours",
  "base64 0.21.7",
diff --git a/Cargo.toml b/Cargo.toml
index 11e7d715..8deaaa4a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "broot"
-version = "1.39.3-dev"
+version = "1.40.0"
 authors = ["dystroy <denys.seguret@gmail.com>"]
 repository = "https://github.com/Canop/broot"
 homepage = "https://dystroy.org/broot"
diff --git a/src/file_sum/sum_computation.rs b/src/file_sum/sum_computation.rs
index 7821ec3a..7d468190 100644
--- a/src/file_sum/sum_computation.rs
+++ b/src/file_sum/sum_computation.rs
@@ -12,7 +12,6 @@ use {
     },
     rustc_hash::{
         FxHashMap,
-        FxHashSet,
     },
     std::{
         convert::TryInto,
@@ -93,7 +92,7 @@ impl DirSummer {
 
         // to avoid counting twice a node, we store their id in a set
         #[cfg(unix)]
-        let nodes = Arc::new(Mutex::new(FxHashSet::<NodeId>::default()));
+        let nodes = Arc::new(Mutex::new(rustc_hash::FxHashSet::<NodeId>::default()));
 
         // busy is the number of directories which are either being processed or queued
         // We use this count to determine when threads can stop waiting for tasks