diff --git a/CHANGELOG.md b/CHANGELOG.md
index f18105f0..45e04e7a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,18 +10,20 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Support `cargo-binstall` on riscv64 Linux.
+
 - Update `cargo-deb@latest` to 3.7.0.
 
 - Update `tombi@latest` to 0.10.2.
 
 ## [2.75.30] - 2026-05-03
 
+- Support `cargo-spellcheck` on AArch64 Linux/Windows.
+
 - Update `cargo-spellcheck@latest` to 0.15.7.
 
 - Update `biome@latest` to 2.4.14.
 
-- Support `cargo-spellcheck` on AArch64 Linux/Windows.
-
 ## [2.75.29] - 2026-05-02
 
 - Update `syft@latest` to 1.44.0.
diff --git a/main.sh b/main.sh
index 14b54df3..39abd680 100755
--- a/main.sh
+++ b/main.sh
@@ -925,7 +925,7 @@ if [[ ${#unsupported_tools[@]} -gt 0 ]]; then
     none) bail "install-action does not support ${unsupported_tools[*]} (fallback is disabled by 'fallback: none' input option)" ;;
     cargo-binstall)
       case "${host_arch}" in
-        x86_64 | aarch64) ;;
+        x86_64 | aarch64 | riscv64) ;;
         *)
           info "cargo-binstall does not provide prebuilt binaries for this platform (${host_arch}); use 'cargo-install' fallback instead"
           fallback=cargo-install
diff --git a/manifests/cargo-binstall.json b/manifests/cargo-binstall.json
index e725067a..a0016519 100644
--- a/manifests/cargo-binstall.json
+++ b/manifests/cargo-binstall.json
@@ -18,6 +18,9 @@
     },
     "aarch64_windows": {
       "url": "https://github.com/cargo-bins/cargo-binstall/releases/download/v${version}/cargo-binstall-aarch64-pc-windows-msvc.zip"
+    },
+    "riscv64_linux_musl": {
+      "url": "https://github.com/cargo-bins/cargo-binstall/releases/download/v${version}/cargo-binstall-riscv64gc-unknown-linux-musl.tgz"
     }
   },
   "latest": {
@@ -47,6 +50,10 @@
     "aarch64_windows": {
       "etag": "0x8DE9959EAAC5732",
       "hash": "c6873e81457d9e44973a8e9a849795f2c83765fce0af8ad68b597b5b40dec418"
+    },
+    "riscv64_linux_musl": {
+      "etag": "0x8DE9959DFE57CE6",
+      "hash": "3eb039f14fa71dd27b614bf692f0bffd4ba087204829805d54b014646aed7c14"
     }
   }
 }
diff --git a/tools/codegen/base/cargo-binstall.json b/tools/codegen/base/cargo-binstall.json
index 6015fa6f..a40d8db7 100644
--- a/tools/codegen/base/cargo-binstall.json
+++ b/tools/codegen/base/cargo-binstall.json
@@ -18,6 +18,9 @@
       "asset_name": "${package}-${rust_target}.tgz"
     },
     "aarch64_macos": {},
-    "aarch64_windows": {}
+    "aarch64_windows": {},
+    "riscv64_linux_musl": {
+      "asset_name": "${package}-${rust_target}.tgz"
+    }
   }
 }