diff --git a/hydroflow_datalog/Cargo.toml b/hydroflow_datalog/Cargo.toml
index 9d9f528dab69..a6a229d03c20 100644
--- a/hydroflow_datalog/Cargo.toml
+++ b/hydroflow_datalog/Cargo.toml
@@ -17,7 +17,7 @@ diagnostics = [ "hydroflow_datalog_core/diagnostics" ]
 [dependencies]
 quote = "1.0.0"
 syn = { version = "2.0.0", features = [ "parsing", "extra-traits" ] }
-proc-macro2 = "1.0.57"
+proc-macro2 = "1.0.63"
 proc-macro-crate = "1.1.0"
 # Note: If we ever compile this proc macro crate to WASM (e.g., if we are
 # building on a WASM host), we may need to turn diagnostics off for WASM if
diff --git a/hydroflow_datalog_core/Cargo.toml b/hydroflow_datalog_core/Cargo.toml
index 87e091c960bc..2de48d5f7075 100644
--- a/hydroflow_datalog_core/Cargo.toml
+++ b/hydroflow_datalog_core/Cargo.toml
@@ -18,7 +18,7 @@ diagnostics = [ "hydroflow_lang/diagnostics" ]
 quote = "1.0.0"
 slotmap = "1.0.6"
 syn = { version = "2.0.0", features = [ "parsing", "extra-traits" ] }
-proc-macro2 = "1.0.57"
+proc-macro2 = "1.0.63"
 proc-macro-crate = "1.1.0"
 rust-sitter = "0.3.2"
 hydroflow_lang = { path = "../hydroflow_lang", version = "^0.4.0" }
diff --git a/hydroflow_lang/Cargo.toml b/hydroflow_lang/Cargo.toml
index 0f348d10b23a..d24c5e2fc047 100644
--- a/hydroflow_lang/Cargo.toml
+++ b/hydroflow_lang/Cargo.toml
@@ -15,7 +15,7 @@ diagnostics = []
 auto_impl = "1.0.1"
 itertools = "0.10" # TODO(mingwei): remove when `iter_intersperse` is stabilized.
 prettyplease = { version = "0.2.0", features = [ "verbatim" ] }
-proc-macro2 = { version = "1.0.57", features = ["span-locations"] }
+proc-macro2 = { version = "1.0.63", features = ["span-locations"] }
 quote = "1.0.0"
 regex = "1.7.0"
 serde = "1.0.1"
diff --git a/hydroflow_macro/Cargo.toml b/hydroflow_macro/Cargo.toml
index 75fe6b9fccb0..1c556def3f8d 100644
--- a/hydroflow_macro/Cargo.toml
+++ b/hydroflow_macro/Cargo.toml
@@ -18,7 +18,7 @@ diagnostics = [ "hydroflow_lang/diagnostics" ]
 # building on a WASM host), we may need to turn diagnostics off for WASM if
 # proc_macro2 still does not support WASM.
 hydroflow_lang = { path = "../hydroflow_lang", version = "^0.4.0" }
-proc-macro2 = "1.0.57"
+proc-macro2 = "1.0.63"
 proc-macro-crate = "1.1.0"
 quote = "1.0.0"
 syn = { version = "2.0.0", features = [ "parsing", "extra-traits" ] }
diff --git a/multiplatform_test/Cargo.toml b/multiplatform_test/Cargo.toml
index e18024bb75c8..64a548a46e81 100644
--- a/multiplatform_test/Cargo.toml
+++ b/multiplatform_test/Cargo.toml
@@ -11,7 +11,7 @@ description = "A simple attribute macro to combine `#[test]` and `#[wasm_bindgen
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.57"
+proc-macro2 = "1.0.63"
 quote = "1.0"
 
 [dev-dependencies]
diff --git a/relalg/Cargo.toml b/relalg/Cargo.toml
index 8216e4909d63..198843f74888 100644
--- a/relalg/Cargo.toml
+++ b/relalg/Cargo.toml
@@ -9,7 +9,7 @@ license = "Apache-2.0"
 anyhow = "1.0"
 datadriven = "0.6.0"
 hydroflow = { path = "../hydroflow" }
-proc-macro2 = "1.0.57"
+proc-macro2 = "1.0.63"
 quote = "1.0"
 syn = { version = "2.0.0", features = [ "parsing", "extra-traits" ] }
 prettyplease = "0.2.0"
diff --git a/website_playground/Cargo.toml b/website_playground/Cargo.toml
index c7f5fc537f91..3156590b172b 100644
--- a/website_playground/Cargo.toml
+++ b/website_playground/Cargo.toml
@@ -16,7 +16,7 @@ hydroflow_datalog_core = { path = "../hydroflow_datalog_core" }
 hydroflow_lang = { path = "../hydroflow_lang" }
 hydroflow = { path = "../hydroflow" }
 prettyplease = "0.2.0"
-proc-macro2 = "1.0.57"
+proc-macro2 = "1.0.63"
 quote = "1.0"
 serde = { version = "1.0", features = ["derive"] }
 serde-wasm-bindgen = "0.4"