diff --git a/_service b/_service
index 5e7ed9d..20115be 100644
--- a/_service
+++ b/_service
@@ -1,7 +1,7 @@
 <services>
   <service name="cargo_vendor" mode="manual">
      <param name="src">https://github.com/denoland/rusty_v8</param>
-     <param name="revision">v137.2.1</param>
+     <param name="revision">v145.0.0</param>
      <param name="versionrewriteregex">^v?(.*)</param>
      <param name="versionrewritepattern">$1</param>
      <param name="compression">zst</param>
diff --git a/compiler-rt-adjust-paths.patch b/compiler-rt-adjust-paths.patch
index 74ee566..765945b 100644
--- a/compiler-rt-adjust-paths.patch
+++ b/compiler-rt-adjust-paths.patch
@@ -1,7 +1,7 @@
-diff -ruN /tmp/rusty_v8-v137.1.0/build/config/clang/BUILD.gn rusty_v8-v137.1.0/build/config/clang/BUILD.gn
---- /tmp/rusty_v8-v137.1.0/build/config/clang/BUILD.gn	1970-01-01 08:00:01.000000000 +0800
-+++ rusty_v8-v137.1.0/build/config/clang/BUILD.gn	2025-06-26 14:47:20.638581652 +0800
-@@ -201,12 +201,15 @@
+diff -ruN rusty_v8-145.0.0.orig/build/config/clang/BUILD.gn rusty_v8-145.0.0/build/config/clang/BUILD.gn
+--- rusty_v8-145.0.0.orig/build/config/clang/BUILD.gn	2026-02-14 14:15:37.957884922 +0800
++++ rusty_v8-145.0.0/build/config/clang/BUILD.gn	2026-02-14 14:18:05.583917665 +0800
+@@ -180,12 +180,15 @@
        } else if (is_linux || is_chromeos) {
          if (current_cpu == "x64") {
            _dir = "x86_64-unknown-linux-gnu"
@@ -14,17 +14,18 @@ diff -ruN /tmp/rusty_v8-v137.1.0/build/config/clang/BUILD.gn rusty_v8-v137.1.0/b
          } else if (current_cpu == "arm64") {
            _dir = "aarch64-unknown-linux-gnu"
 +          _suffix = "-aarch64"
-         } else {
-           assert(false)  # Unhandled cpu type
-         }
-@@ -237,6 +240,10 @@
+         } else if (current_cpu == "loong64") {
+           _dir = "loongarch64-unknown-linux-gnu"
+         } else if (current_cpu == "riscv64") {
+@@ -223,7 +226,10 @@
+       } else {
          assert(false)  # Unhandled target platform
        }
- 
+-
++      
 +      if (is_linux || is_chromeos) {
 +        _dir = "linux"
 +      }
-+
+       _clang_lib_dir = "$clang_base_path/lib/clang/$clang_version/lib"
        _lib_file = "${_prefix}clang_rt.${_libname}${_suffix}.${_ext}"
        libs = [ "$_clang_lib_dir/$_dir/$_lib_file" ]
- 
diff --git a/deno-v8-arm.patch b/deno-v8-arm.patch
index 73227e7..2f27d33 100644
--- a/deno-v8-arm.patch
+++ b/deno-v8-arm.patch
@@ -1,13 +1,15 @@
---- ./build.rs.orig	2024-06-27 14:26:40.281226961 +0200
-+++ ./build.rs	2024-06-27 14:28:10.388618455 +0200
-@@ -200,16 +200,12 @@ fn build_v8(is_asan: bool) {
-   // cross-compilation setup
+diff -ruN rusty_v8-145.0.0.orig/build.rs rusty_v8-145.0.0/build.rs
+--- rusty_v8-145.0.0.orig/build.rs	2026-02-14 14:02:50.206480850 +0800
++++ rusty_v8-145.0.0/build.rs	2026-02-14 14:06:48.032243885 +0800
+@@ -353,17 +353,13 @@
    if target_arch == "aarch64" {
      gn_args.push(r#"target_cpu="arm64""#.to_string());
--    gn_args.push("use_sysroot=true".to_string());
--    maybe_install_sysroot("arm64");
--    maybe_install_sysroot("amd64");
-+    gn_args.push("use_sysroot=false".to_string());
+     if target_os == "linux" {
+-      gn_args.push("use_sysroot=true".to_string());
+-      maybe_install_sysroot("arm64");
+-      maybe_install_sysroot("amd64");
++      gn_args.push("use_sysroot=false".to_string());
+     }
    }
    if target_arch == "arm" {
      gn_args.push(r#"target_cpu="arm""#.to_string());
@@ -19,4 +21,3 @@
    }
  
    let target_triple = env::var("TARGET").unwrap();
-
diff --git a/rusty_v8-137.2.1.tar.zst b/rusty_v8-137.2.1.tar.zst
deleted file mode 100644
index b8184ed..0000000
--- a/rusty_v8-137.2.1.tar.zst
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8aa36ce2368658b0f0b81ce05e8fb9490d5e5c952316dc1baecdfe1b0c099b2e
-size 72798547
diff --git a/rusty_v8-145.0.0.tar.zst b/rusty_v8-145.0.0.tar.zst
new file mode 100644
index 0000000..3f51795
--- /dev/null
+++ b/rusty_v8-145.0.0.tar.zst
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29c37f557c8e6dd17a773ead25dd4e0503ea286a985741f968548ff9d75be6c6
+size 93939905
diff --git a/rusty_v8.spec b/rusty_v8.spec
index 3141b6b..1bdd40b 100644
--- a/rusty_v8.spec
+++ b/rusty_v8.spec
@@ -19,7 +19,7 @@
 %global __requires_exclude_from ^%{_libdir}/crates/rusty_v8/.*$
 
 Name:           rusty_v8
-Version:        137.2.1
+Version:        145.0.0
 Release:        0
 Summary:        Build tooling for Deno (do not install or use!)
 License:        MIT
@@ -33,11 +33,11 @@ Patch0:         deno-v8-arm.patch
 Patch1:         compiler-rt-adjust-paths.patch
 BuildRequires:  cargo
 BuildRequires:  cargo-packaging
-BuildRequires:  clang19
+BuildRequires:  clang20
 BuildRequires:  fdupes
 BuildRequires:  gn
-BuildRequires:  lld19
-BuildRequires:  llvm19
+BuildRequires:  lld20
+BuildRequires:  llvm20
 BuildRequires:  ninja
 BuildRequires:  pkgconfig
 BuildRequires:  python3-base
diff --git a/vendor.tar.zst b/vendor.tar.zst
index 700b46f..51d465d 100644
--- a/vendor.tar.zst
+++ b/vendor.tar.zst
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d2522578085b5c72169d7cb638a933caf1118fe2020bf5acefb4dcec309cc45d
-size 22342461
+oid sha256:79a5abe421aa4482ff23491cd5b35d3e14f5da19dce7c141685911c6174ab125
+size 28117161