diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2c1284..c0b2e17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,14 @@ Operators, you should copy/paste content of this content straight to your projec
 
 If you were at `firehose-core` version `1.0.0` and are bumping to `1.1.0`, you should copy the content between those 2 version to your own repository, replacing placeholder value `fire{chain}` with your chain's own binary.
 
+## v1.3.2 (Unreleased)
+
+### substreams
+
+* fix another panic on substreams-tier2 service
+* fix thread leak in metering affecting substreams
+* revert a substreams scheduler optimisation that causes slow restarts when close to head
+
 ## v1.3.1
 
 * fix panic on substreams-tier2 service
diff --git a/go.mod b/go.mod
index 9fc7a28..6a428dc 100644
--- a/go.mod
+++ b/go.mod
@@ -30,7 +30,7 @@ require (
 	github.com/streamingfast/logging v0.0.0-20230608130331-f22c91403091
 	github.com/streamingfast/pbgo v0.0.6-0.20240131193313-6b88bc7139db
 	github.com/streamingfast/snapshotter v0.0.0-20230316190750-5bcadfde44d0
-	github.com/streamingfast/substreams v1.5.1-0.20240403143826-8ab8345f9faf
+	github.com/streamingfast/substreams v1.5.1-0.20240403161418-0c71475ea38d
 	github.com/stretchr/testify v1.8.4
 	github.com/test-go/testify v1.1.4
 	go.uber.org/multierr v1.10.0
diff --git a/go.sum b/go.sum
index f80fd12..885a6e4 100644
--- a/go.sum
+++ b/go.sum
@@ -624,8 +624,8 @@ github.com/streamingfast/shutter v1.5.0 h1:NpzDYzj0HVpSiDJVO/FFSL6QIK/YKOxY0gJAt
 github.com/streamingfast/shutter v1.5.0/go.mod h1:B/T6efqdeMGbGwjzPS1ToXzYZI4kDzI5/u4I+7qbjY8=
 github.com/streamingfast/snapshotter v0.0.0-20230316190750-5bcadfde44d0 h1:Y15G1Z4fpEdm2b+/70owI7TLuXadlqBtGM7rk4Hxrzk=
 github.com/streamingfast/snapshotter v0.0.0-20230316190750-5bcadfde44d0/go.mod h1:/Rnz2TJvaShjUct0scZ9kKV2Jr9/+KBAoWy4UMYxgv4=
-github.com/streamingfast/substreams v1.5.1-0.20240403143826-8ab8345f9faf h1:xA4XND207oMOWuCLWkC4v1jAEHDVHKcZO9rDFuXp3go=
-github.com/streamingfast/substreams v1.5.1-0.20240403143826-8ab8345f9faf/go.mod h1:bMUaX8cdj/BVf8zcS+8I86WbxlC1mL/opxIykBoVGPc=
+github.com/streamingfast/substreams v1.5.1-0.20240403161418-0c71475ea38d h1:PTuf0Hw2DZP9MiuU7oj9R7KTqbeELuR+KoKlChogpHI=
+github.com/streamingfast/substreams v1.5.1-0.20240403161418-0c71475ea38d/go.mod h1:bMUaX8cdj/BVf8zcS+8I86WbxlC1mL/opxIykBoVGPc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=