diff --git a/.gitignore b/.gitignore
index 79e8e0c..f002d7a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -88,3 +88,4 @@ mercurial-1.6.2.tar.gz
 /mercurial-6.2.2.tar.gz
 /mercurial-6.2.3.tar.gz
 /mercurial-6.3.0.tar.gz
+/mercurial-6.3.1.tar.gz
diff --git a/mercurial-rust-metadata.patch b/mercurial-rust-metadata.patch
index aff7beb..c7127ed 100644
--- a/mercurial-rust-metadata.patch
+++ b/mercurial-rust-metadata.patch
@@ -6,7 +6,7 @@ Update zstd to 0.11.0 (upstream is stuck on 0.5 because MSRV)
 diff --git a/rust/hg-core/Cargo.toml b/rust/hg-core/Cargo.toml
 --- a/rust/hg-core/Cargo.toml
 +++ b/rust/hg-core/Cargo.toml
-@@ -34,11 +34,11 @@
+@@ -34,7 +34,7 @@
  micro-timer = "0.4.0"
  log = "0.4.8"
  memmap2 = { version = "0.5.3", features = ["stable_deref_trait"] }
@@ -15,11 +15,6 @@ diff --git a/rust/hg-core/Cargo.toml b/rust/hg-core/Cargo.toml
  format-bytes = "0.3.0"
  # once_cell 1.15 uses edition 2021, while the heptapod CI
  # uses an old version of Cargo that doesn't support it.
--once_cell = "=1.14.0"
-+once_cell = "1.14.0"
-
- # We don't use the `miniz-oxide` backend to not change rhg benchmarks and until
- # we have a clearer view of which backend is the fastest.
 diff --git a/rust/hg-core/src/revlog/revlog.rs b/rust/hg-core/src/revlog/revlog.rs
 --- a/rust/hg-core/src/revlog/revlog.rs
 +++ b/rust/hg-core/src/revlog/revlog.rs
diff --git a/mercurial.spec b/mercurial.spec
index eef15b4..776ee5f 100644
--- a/mercurial.spec
+++ b/mercurial.spec
@@ -9,7 +9,7 @@
 
 Summary: A fast, lightweight Source Control Management system
 Name: mercurial
-Version: 6.3.0
+Version: 6.3.1
 Release: 1%{?dist}
 
 # Release: 1.rc1%%{?dist}
@@ -273,6 +273,9 @@ pathfix.py -pni "%{python3}" %{buildroot}%{_bindir}/hg-ssh
 
 
 %changelog
+* Sat Nov 19 2022 Mads Kiilerich <mads@kiilerich.com> - 6.3.1-1
+- mercurial 6.3.1
+
 * Mon Nov 14 2022 Mads Kiilerich <mads@kiilerich.com> - 6.3.0-1
 - mercurial 6.3.0
 
diff --git a/sources b/sources
index 8ee8f4a..427c1b5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (mercurial-6.3.0.tar.gz) = 17242605f19b49cb962a0f2dbe1cbec01ec25fb4336b055cf7a9d7663c711e9adac29430c594a4f108e03ad11bee5965f82f8081def397d3ac953b86aa16378c
+SHA512 (mercurial-6.3.1.tar.gz) = 99cd77c25e6c7f064ea9b631a8632b6020cb012c2f5a8c1da371ed413a4f984d04f8c293f551f890bbf084f840d7406aa25956f016ff2596173cd2f1f834873b