diff --git a/Cargo.lock b/Cargo.lock
index 4176913b8..80f1541fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2780,6 +2780,7 @@ version = "0.19.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6468cb7fa330840f3ebcd8df51edc0e7bf5c18df524792ce6004c6821851cdf3"
 dependencies = [
+ "half",
  "libloading 0.9.0",
 ]
 
@@ -3855,7 +3856,7 @@ dependencies = [
  "proptest",
  "prost 0.14.3",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "redis",
  "risk",
  "rust_decimal",
@@ -4316,6 +4317,8 @@ dependencies = [
  "cfg-if",
  "crunchy",
  "num-traits",
+ "rand 0.9.2",
+ "rand_distr 0.5.1",
  "serde",
  "zerocopy",
 ]
@@ -6128,7 +6131,7 @@ dependencies = [
  "proptest",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
- "rand_distr",
+ "rand_distr 0.4.3",
  "rayon",
  "reqwest 0.12.28",
  "risk",
@@ -6232,7 +6235,7 @@ dependencies = [
  "once_cell",
  "parking_lot 0.12.5",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "rayon",
  "rust_decimal",
  "safetensors",
@@ -6304,7 +6307,7 @@ dependencies = [
  "ndarray",
  "parking_lot 0.12.5",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "risk",
  "rust_decimal",
  "safetensors",
@@ -6389,7 +6392,7 @@ dependencies = [
  "ndarray",
  "rand 0.8.5",
  "rand_chacha 0.3.1",
- "rand_distr",
+ "rand_distr 0.4.3",
  "rayon",
  "serde",
  "serde_json",
@@ -6445,7 +6448,7 @@ dependencies = [
  "ndarray",
  "parking_lot 0.12.5",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "rust_decimal",
  "serde",
  "serde_json",
@@ -6522,7 +6525,7 @@ dependencies = [
  "config",
  "ml-core",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "rust_decimal",
  "serde",
  "tokio",
@@ -6731,7 +6734,7 @@ dependencies = [
  "num-rational",
  "num-traits",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "simba 0.8.1",
  "typenum",
 ]
@@ -6749,7 +6752,7 @@ dependencies = [
  "num-rational",
  "num-traits",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "serde",
  "simba 0.9.1",
  "typenum",
@@ -8439,6 +8442,16 @@ dependencies = [
  "rand 0.8.5",
 ]
 
+[[package]]
+name = "rand_distr"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a8615d50dcf34fa31f7ab52692afec947c4dd0ab803cc87cb3b0b4570ff7463"
+dependencies = [
+ "num-traits",
+ "rand 0.9.2",
+]
+
 [[package]]
 name = "rand_xorshift"
 version = "0.4.0"
@@ -8858,7 +8871,7 @@ dependencies = [
  "prometheus",
  "proptest",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "rayon",
  "redis",
  "reqwest 0.12.28",
@@ -10652,7 +10665,7 @@ dependencies = [
  "perf-event",
  "quickcheck",
  "rand 0.8.5",
- "rand_distr",
+ "rand_distr 0.4.3",
  "redis",
  "reqwest 0.12.28",
  "risk",
diff --git a/crates/ml/Cargo.toml b/crates/ml/Cargo.toml
index 8861b9bd4..e71ee0d0e 100644
--- a/crates/ml/Cargo.toml
+++ b/crates/ml/Cargo.toml
@@ -129,7 +129,7 @@ rust_decimal.workspace = true
 
 
 # cudarc — direct dep after candle removal, gated behind cuda feature
-cudarc = { version = "0.19", optional = true, default-features = false, features = ["driver", "nvrtc", "cublas", "dynamic-linking", "std", "cuda-version-from-build-system"] }
+cudarc = { version = "0.19", optional = true, default-features = false, features = ["driver", "cublas", "dynamic-linking", "std", "cuda-version-from-build-system", "f16"] }
 rayon.workspace = true
 crossbeam = { version = "0.8", features = ["std"] }