diff --git a/pkgs/by-name/ju/jujutsu/libgit2-1.9.0.patch b/pkgs/by-name/ju/jujutsu/libgit2-1.9.0.patch
new file mode 100644
index 00000000000000..fc68f2ffe0f404
--- /dev/null
+++ b/pkgs/by-name/ju/jujutsu/libgit2-1.9.0.patch
@@ -0,0 +1,52 @@
+From b4f936ac302ee835aa274e4dd186b436781d5d2f Mon Sep 17 00:00:00 2001
+From: Rui Chen <rui@chenrui.dev>
+Date: Thu, 9 Jan 2025 09:51:47 -0500
+Subject: [PATCH] chore(deps): update git2 to use libgit2 1.9
+
+Signed-off-by: Rui Chen <rui@chenrui.dev>
+---
+ Cargo.lock | 8 ++++----
+ Cargo.toml | 2 +-
+ 2 files changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/Cargo.lock b/Cargo.lock
+index 69398f4d6d..3ec8dfdacc 100644
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -913,9 +913,9 @@ checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
+ 
+ [[package]]
+ name = "git2"
+-version = "0.19.0"
++version = "0.20.0"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "b903b73e45dc0c6c596f2d37eccece7c1c8bb6e4407b001096387c63d0d93724"
++checksum = "3fda788993cc341f69012feba8bf45c0ba4f3291fcc08e214b4d5a7332d88aff"
+ dependencies = [
+  "bitflags",
+  "libc",
+@@ -2109,9 +2109,9 @@ checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a"
+ 
+ [[package]]
+ name = "libgit2-sys"
+-version = "0.17.0+1.8.1"
++version = "0.18.0+1.9.0"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "10472326a8a6477c3c20a64547b0059e4b0d086869eee31e6d7da728a8eb7224"
++checksum = "e1a117465e7e1597e8febea8bb0c410f1c7fb93b1e1cddf34363f8390367ffec"
+ dependencies = [
+  "cc",
+  "libc",
+diff --git a/Cargo.toml b/Cargo.toml
+index 0fc4393cb5..b955fd6aa1 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -46,7 +46,7 @@ dirs = "5.0.1"
+ dunce = "1.0.5"
+ either = "1.13.0"
+ futures = "0.3.31"
+-git2 = { version = "0.19.0", features = [
++git2 = { version = "0.20.0", features = [
+     # Do *not* disable this feature even if you'd like dynamic linking. Instead,
+     # set the environment variable `LIBGIT2_NO_VENDOR=1` if dynamic linking must
+     # be used (this will override the Cargo feature), and allow static linking
diff --git a/pkgs/by-name/ju/jujutsu/package.nix b/pkgs/by-name/ju/jujutsu/package.nix
index c096701c143e2b..2fd645f4b00af0 100644
--- a/pkgs/by-name/ju/jujutsu/package.nix
+++ b/pkgs/by-name/ju/jujutsu/package.nix
@@ -35,7 +35,12 @@ rustPlatform.buildRustPackage {
     hash = "sha256-5J1ZfPNyniUK5D3Pt1aKuJ+/8vad3JPxCztBRY591N8=";
   };
 
-  cargoHash = "sha256-kuZ1zvb6H5QWjJSUYMq5tEywsQMC6187YJPUT1r4S5o=";
+  cargoPatches = [
+    # <https://github.com/jj-vcs/jj/pull/5315>
+    ./libgit2-1.9.0.patch
+  ];
+
+  cargoHash = "sha256-QEd5UIC7sgsTllKQx0RWopGcIBuZf30PxBBi0r7OlAU=";
 
   nativeBuildInputs = [
     installShellFiles