diff --git a/datascript-ocaml-melange.opam b/datascript-ocaml-melange.opam
index 43618cc..4e27160 100644
--- a/datascript-ocaml-melange.opam
+++ b/datascript-ocaml-melange.opam
@@ -13,7 +13,7 @@ depends: [
   "melange-transit-melange" {= "0.1.2"}
 ]
 pin-depends: [
-  ["persistent_sorted_set_ocaml.dev" "git+https://github.com/logseq/persistent-sorted-set-ocaml.git#b4c97e37b4d62175b376d76e795c298071444343"]
+  ["persistent_sorted_set_ocaml.dev" "git+https://github.com/logseq/persistent-sorted-set-ocaml.git#634fc5e3116becf9e47c6099803982ac66dce4a0"]
   ["melange-edn-core.0.5.0" "git+https://github.com/logseq/melange-edn.git#main"]
   ["melange-edn-melange.0.5.0" "git+https://github.com/logseq/melange-edn.git#main"]
   ["melange-transit-core.0.1.2" "git+https://github.com/logseq/melange-transit.git#main"]
diff --git a/datascript-ocaml-native.opam b/datascript-ocaml-native.opam
index 1071d6d..fc84370 100644
--- a/datascript-ocaml-native.opam
+++ b/datascript-ocaml-native.opam
@@ -14,7 +14,7 @@ depends: [
   "yojson"
 ]
 pin-depends: [
-  ["persistent_sorted_set_ocaml.dev" "git+https://github.com/logseq/persistent-sorted-set-ocaml.git#b4c97e37b4d62175b376d76e795c298071444343"]
+  ["persistent_sorted_set_ocaml.dev" "git+https://github.com/logseq/persistent-sorted-set-ocaml.git#634fc5e3116becf9e47c6099803982ac66dce4a0"]
   ["melange-edn-core.0.5.0" "git+https://github.com/logseq/melange-edn.git#main"]
   ["melange-edn-native.0.5.0" "git+https://github.com/logseq/melange-edn.git#main"]
   ["melange-transit-core.0.1.2" "git+https://github.com/logseq/melange-transit.git#main"]
diff --git a/datascript_ocaml.opam b/datascript_ocaml.opam
index c2e6fc7..6cf1543 100644
--- a/datascript_ocaml.opam
+++ b/datascript_ocaml.opam
@@ -12,7 +12,7 @@ depends: [
   "odoc" {with-doc}
 ]
 pin-depends: [
-  ["persistent_sorted_set_ocaml.dev" "git+https://github.com/logseq/persistent-sorted-set-ocaml.git#b4c97e37b4d62175b376d76e795c298071444343"]
+  ["persistent_sorted_set_ocaml.dev" "git+https://github.com/logseq/persistent-sorted-set-ocaml.git#634fc5e3116becf9e47c6099803982ac66dce4a0"]
 ]
 build: [
   ["dune" "build" "-p" name "-j" jobs]