diff --git a/Cargo.lock b/Cargo.lock
index 5acc1c77d8..e3384ec5e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3444,8 +3444,8 @@ checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
 
 [[package]]
 name = "salsa"
-version = "0.20.0"
-source = "git+https://github.com/salsa-rs/salsa.git?rev=c75b0161aba55965ab6ad8cc9aaee7dc177967f1#c75b0161aba55965ab6ad8cc9aaee7dc177967f1"
+version = "0.21.0"
+source = "git+https://github.com/salsa-rs/salsa.git?rev=af811a34cef26932859b09bbefe50fbd8e8db06a#af811a34cef26932859b09bbefe50fbd8e8db06a"
 dependencies = [
  "boxcar",
  "compact_str",
@@ -3467,13 +3467,13 @@ dependencies = [
 
 [[package]]
 name = "salsa-macro-rules"
-version = "0.20.0"
-source = "git+https://github.com/salsa-rs/salsa.git?rev=c75b0161aba55965ab6ad8cc9aaee7dc177967f1#c75b0161aba55965ab6ad8cc9aaee7dc177967f1"
+version = "0.21.0"
+source = "git+https://github.com/salsa-rs/salsa.git?rev=af811a34cef26932859b09bbefe50fbd8e8db06a#af811a34cef26932859b09bbefe50fbd8e8db06a"
 
 [[package]]
 name = "salsa-macros"
-version = "0.20.0"
-source = "git+https://github.com/salsa-rs/salsa.git?rev=c75b0161aba55965ab6ad8cc9aaee7dc177967f1#c75b0161aba55965ab6ad8cc9aaee7dc177967f1"
+version = "0.21.0"
+source = "git+https://github.com/salsa-rs/salsa.git?rev=af811a34cef26932859b09bbefe50fbd8e8db06a#af811a34cef26932859b09bbefe50fbd8e8db06a"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 67b5bbc0ff..4893c4cad6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -124,7 +124,7 @@ rayon = { version = "1.10.0" }
 regex = { version = "1.10.2" }
 rustc-hash = { version = "2.0.0" }
 # When updating salsa, make sure to also update the revision in `fuzz/Cargo.toml`
-salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "c75b0161aba55965ab6ad8cc9aaee7dc177967f1" }
+salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "af811a34cef26932859b09bbefe50fbd8e8db06a" }
 schemars = { version = "0.8.16" }
 seahash = { version = "4.1.0" }
 serde = { version = "1.0.197", features = ["derive"] }
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index a0d617b0f5..315805460c 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -29,7 +29,7 @@ ruff_python_formatter = { path = "../crates/ruff_python_formatter" }
 ruff_text_size = { path = "../crates/ruff_text_size" }
 
 libfuzzer-sys = { git = "https://github.com/rust-fuzz/libfuzzer", default-features = false }
-salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "c75b0161aba55965ab6ad8cc9aaee7dc177967f1" }
+salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "af811a34cef26932859b09bbefe50fbd8e8db06a" }
 similar = { version = "2.5.0" }
 tracing = { version = "0.1.40" }