diff --git a/.github/workflows/build-binaries.yml b/.github/workflows/build-binaries.yml
index 1e1266ecb7..8b8d9d128e 100644
--- a/.github/workflows/build-binaries.yml
+++ b/.github/workflows/build-binaries.yml
@@ -292,6 +292,8 @@ jobs:
             maturin_docker_options: -e JEMALLOC_SYS_WITH_LG_PAGE=16
           - target: arm-unknown-linux-musleabihf
             arch: arm
+          - target: riscv64gc-unknown-linux-gnu
+            arch: riscv64
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -319,7 +321,7 @@ jobs:
           githubToken: ${{ github.token }}
           install: |
             apt-get update
-            apt-get install -y --no-install-recommends python3 python3-pip
+            apt-get install -y --no-install-recommends python3 python3-pip libatomic1
             pip3 install -U pip
           run: |
             pip3 install ${{ env.PACKAGE_NAME }} --no-index --find-links dist/ --force-reinstall
diff --git a/crates/ruff/Cargo.toml b/crates/ruff/Cargo.toml
index e3a22c2fdd..32678e0eb6 100644
--- a/crates/ruff/Cargo.toml
+++ b/crates/ruff/Cargo.toml
@@ -85,7 +85,7 @@ dist = true
 [target.'cfg(target_os = "windows")'.dependencies]
 mimalloc = { workspace = true }
 
-[target.'cfg(all(not(target_os = "windows"), not(target_os = "openbsd"), not(target_os = "aix"), not(target_os = "android"), any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "powerpc64")))'.dependencies]
+[target.'cfg(all(not(target_os = "windows"), not(target_os = "openbsd"), not(target_os = "aix"), not(target_os = "android"), any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "powerpc64", target_arch = "riscv64")))'.dependencies]
 tikv-jemallocator = { workspace = true }
 
 [lints]
diff --git a/crates/ruff/src/main.rs b/crates/ruff/src/main.rs
index 058b6bc9d5..62e4f85b6e 100644
--- a/crates/ruff/src/main.rs
+++ b/crates/ruff/src/main.rs
@@ -19,7 +19,8 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
     any(
         target_arch = "x86_64",
         target_arch = "aarch64",
-        target_arch = "powerpc64"
+        target_arch = "powerpc64",
+        target_arch = "riscv64"
     )
 ))]
 #[global_allocator]
diff --git a/crates/ruff_benchmark/Cargo.toml b/crates/ruff_benchmark/Cargo.toml
index b6b4b40de2..92606c9901 100644
--- a/crates/ruff_benchmark/Cargo.toml
+++ b/crates/ruff_benchmark/Cargo.toml
@@ -86,5 +86,5 @@ walltime = ["ruff_db/os", "ty_project", "divan"]
 [target.'cfg(target_os = "windows")'.dev-dependencies]
 mimalloc = { workspace = true }
 
-[target.'cfg(all(not(target_os = "windows"), not(target_os = "openbsd"), any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "powerpc64")))'.dev-dependencies]
+[target.'cfg(all(not(target_os = "windows"), not(target_os = "openbsd"), any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "powerpc64", target_arch = "riscv64")))'.dev-dependencies]
 tikv-jemallocator = { workspace = true }
diff --git a/crates/ruff_benchmark/benches/formatter.rs b/crates/ruff_benchmark/benches/formatter.rs
index 9b445b1dbd..f2bd54bb44 100644
--- a/crates/ruff_benchmark/benches/formatter.rs
+++ b/crates/ruff_benchmark/benches/formatter.rs
@@ -21,7 +21,8 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
     any(
         target_arch = "x86_64",
         target_arch = "aarch64",
-        target_arch = "powerpc64"
+        target_arch = "powerpc64",
+        target_arch = "riscv64"
     )
 ))]
 #[global_allocator]
diff --git a/crates/ruff_benchmark/benches/lexer.rs b/crates/ruff_benchmark/benches/lexer.rs
index cbba77c78b..968ac74b14 100644
--- a/crates/ruff_benchmark/benches/lexer.rs
+++ b/crates/ruff_benchmark/benches/lexer.rs
@@ -18,7 +18,8 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
     any(
         target_arch = "x86_64",
         target_arch = "aarch64",
-        target_arch = "powerpc64"
+        target_arch = "powerpc64",
+        target_arch = "riscv64"
     )
 ))]
 #[global_allocator]
diff --git a/crates/ruff_benchmark/benches/linter.rs b/crates/ruff_benchmark/benches/linter.rs
index 5fc79679b9..98ef4083a9 100644
--- a/crates/ruff_benchmark/benches/linter.rs
+++ b/crates/ruff_benchmark/benches/linter.rs
@@ -26,7 +26,8 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
     any(
         target_arch = "x86_64",
         target_arch = "aarch64",
-        target_arch = "powerpc64"
+        target_arch = "powerpc64",
+        target_arch = "riscv64"
     )
 ))]
 #[global_allocator]
@@ -42,7 +43,8 @@ static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
     any(
         target_arch = "x86_64",
         target_arch = "aarch64",
-        target_arch = "powerpc64"
+        target_arch = "powerpc64",
+        target_arch = "riscv64"
     )
 ))]
 #[unsafe(export_name = "_rjem_malloc_conf")]
diff --git a/crates/ruff_benchmark/benches/parser.rs b/crates/ruff_benchmark/benches/parser.rs
index ac648aabc4..d5e086eb50 100644
--- a/crates/ruff_benchmark/benches/parser.rs
+++ b/crates/ruff_benchmark/benches/parser.rs
@@ -20,7 +20,8 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
     any(
         target_arch = "x86_64",
         target_arch = "aarch64",
-        target_arch = "powerpc64"
+        target_arch = "powerpc64",
+        target_arch = "riscv64"
     )
 ))]
 #[global_allocator]
diff --git a/dist-workspace.toml b/dist-workspace.toml
index 2e60fae7f9..499bbd0766 100644
--- a/dist-workspace.toml
+++ b/dist-workspace.toml
@@ -28,6 +28,7 @@ targets = [
     "x86_64-apple-darwin",
     "powerpc64-unknown-linux-gnu",
     "powerpc64le-unknown-linux-gnu",
+    "riscv64gc-unknown-linux-gnu",
     "s390x-unknown-linux-gnu",
     "x86_64-unknown-linux-gnu",
     "x86_64-unknown-linux-musl",